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1 <?php 2 /** 3 * Administration API: Core Ajax handlers 4 * 5 * @package WordPress 6 * @subpackage Administration 7 * @since 2.1.0 8 */ 9 10 // 11 // No-privilege Ajax handlers. 12 // 13 14 /** 15 * Ajax handler for the Heartbeat API in 16 * the no-privilege context. 17 * 18 * Runs when the user is not logged in. 19 * 20 * @since 3.6.0 21 */ 22 function wp_ajax_nopriv_heartbeat() { 23 $response = array(); 24 25 // screen_id is the same as $current_screen->id and the JS global 'pagenow'. 26 if ( ! empty( $_POST['screen_id'] ) ) { 27 $screen_id = sanitize_key( $_POST['screen_id'] ); 28 } else { 29 $screen_id = 'front'; 30 } 31 32 if ( ! empty( $_POST['data'] ) ) { 33 $data = wp_unslash( (array) $_POST['data'] ); 34 35 /** 36 * Filters Heartbeat Ajax response in no-privilege environments. 37 * 38 * @since 3.6.0 39 * 40 * @param array $response The no-priv Heartbeat response. 41 * @param array $data The $_POST data sent. 42 * @param string $screen_id The screen id. 43 */ 44 $response = apply_filters( 'heartbeat_nopriv_received', $response, $data, $screen_id ); 45 } 46 47 /** 48 * Filters Heartbeat Ajax response in no-privilege environments when no data is passed. 49 * 50 * @since 3.6.0 51 * 52 * @param array $response The no-priv Heartbeat response. 53 * @param string $screen_id The screen id. 54 */ 55 $response = apply_filters( 'heartbeat_nopriv_send', $response, $screen_id ); 56 57 /** 58 * Fires when Heartbeat ticks in no-privilege environments. 59 * 60 * Allows the transport to be easily replaced with long-polling. 61 * 62 * @since 3.6.0 63 * 64 * @param array $response The no-priv Heartbeat response. 65 * @param string $screen_id The screen id. 66 */ 67 do_action( 'heartbeat_nopriv_tick', $response, $screen_id ); 68 69 // Send the current time according to the server. 70 $response['server_time'] = time(); 71 72 wp_send_json( $response ); 73 } 74 75 // 76 // GET-based Ajax handlers. 77 // 78 79 /** 80 * Ajax handler for fetching a list table. 81 * 82 * @since 3.1.0 83 */ 84 function wp_ajax_fetch_list() { 85 $list_class = $_GET['list_args']['class']; 86 check_ajax_referer( "fetch-list-$list_class", '_ajax_fetch_list_nonce' ); 87 88 $wp_list_table = _get_list_table( $list_class, array( 'screen' => $_GET['list_args']['screen']['id'] ) ); 89 if ( ! $wp_list_table ) { 90 wp_die( 0 ); 91 } 92 93 if ( ! $wp_list_table->ajax_user_can() ) { 94 wp_die( -1 ); 95 } 96 97 $wp_list_table->ajax_response(); 98 99 wp_die( 0 ); 100 } 101 102 /** 103 * Ajax handler for tag search. 104 * 105 * @since 3.1.0 106 */ 107 function wp_ajax_ajax_tag_search() { 108 if ( ! isset( $_GET['tax'] ) ) { 109 wp_die( 0 ); 110 } 111 112 $taxonomy = sanitize_key( $_GET['tax'] ); 113 $tax = get_taxonomy( $taxonomy ); 114 115 if ( ! $tax ) { 116 wp_die( 0 ); 117 } 118 119 if ( ! current_user_can( $tax->cap->assign_terms ) ) { 120 wp_die( -1 ); 121 } 122 123 $s = wp_unslash( $_GET['q'] ); 124 125 $comma = _x( ',', 'tag delimiter' ); 126 if ( ',' !== $comma ) { 127 $s = str_replace( $comma, ',', $s ); 128 } 129 130 if ( false !== strpos( $s, ',' ) ) { 131 $s = explode( ',', $s ); 132 $s = $s[ count( $s ) - 1 ]; 133 } 134 135 $s = trim( $s ); 136 137 /** 138 * Filters the minimum number of characters required to fire a tag search via Ajax. 139 * 140 * @since 4.0.0 141 * 142 * @param int $characters The minimum number of characters required. Default 2. 143 * @param WP_Taxonomy $tax The taxonomy object. 144 * @param string $s The search term. 145 */ 146 $term_search_min_chars = (int) apply_filters( 'term_search_min_chars', 2, $tax, $s ); 147 148 /* 149 * Require $term_search_min_chars chars for matching (default: 2) 150 * ensure it's a non-negative, non-zero integer. 151 */ 152 if ( ( $term_search_min_chars == 0 ) || ( strlen( $s ) < $term_search_min_chars ) ) { 153 wp_die(); 154 } 155 156 $results = get_terms( 157 array( 158 'taxonomy' => $taxonomy, 159 'name__like' => $s, 160 'fields' => 'names', 161 'hide_empty' => false, 162 ) 163 ); 164 165 echo join( "\n", $results ); 166 wp_die(); 167 } 168 169 /** 170 * Ajax handler for compression testing. 171 * 172 * @since 3.1.0 173 */ 174 function wp_ajax_wp_compression_test() { 175 if ( ! current_user_can( 'manage_options' ) ) { 176 wp_die( -1 ); 177 } 178 179 if ( ini_get( 'zlib.output_compression' ) || 'ob_gzhandler' == ini_get( 'output_handler' ) ) { 180 update_site_option( 'can_compress_scripts', 0 ); 181 wp_die( 0 ); 182 } 183 184 if ( isset( $_GET['test'] ) ) { 185 header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' ); 186 header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); 187 header( 'Cache-Control: no-cache, must-revalidate, max-age=0' ); 188 header( 'Content-Type: application/javascript; charset=UTF-8' ); 189 $force_gzip = ( defined( 'ENFORCE_GZIP' ) && ENFORCE_GZIP ); 190 $test_str = '"wpCompressionTest Lorem ipsum dolor sit amet consectetuer mollis sapien urna ut a. Eu nonummy condimentum fringilla tempor pretium platea vel nibh netus Maecenas. Hac molestie amet justo quis pellentesque est ultrices interdum nibh Morbi. Cras mattis pretium Phasellus ante ipsum ipsum ut sociis Suspendisse Lorem. Ante et non molestie. Porta urna Vestibulum egestas id congue nibh eu risus gravida sit. Ac augue auctor Ut et non a elit massa id sodales. Elit eu Nulla at nibh adipiscing mattis lacus mauris at tempus. Netus nibh quis suscipit nec feugiat eget sed lorem et urna. Pellentesque lacus at ut massa consectetuer ligula ut auctor semper Pellentesque. Ut metus massa nibh quam Curabitur molestie nec mauris congue. Volutpat molestie elit justo facilisis neque ac risus Ut nascetur tristique. Vitae sit lorem tellus et quis Phasellus lacus tincidunt nunc Fusce. Pharetra wisi Suspendisse mus sagittis libero lacinia Integer consequat ac Phasellus. Et urna ac cursus tortor aliquam Aliquam amet tellus volutpat Vestibulum. Justo interdum condimentum In augue congue tellus sollicitudin Quisque quis nibh."'; 191 192 if ( 1 == $_GET['test'] ) { 193 echo $test_str; 194 wp_die(); 195 } elseif ( 2 == $_GET['test'] ) { 196 if ( ! isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) { 197 wp_die( -1 ); 198 } 199 200 if ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate' ) && function_exists( 'gzdeflate' ) && ! $force_gzip ) { 201 header( 'Content-Encoding: deflate' ); 202 $out = gzdeflate( $test_str, 1 ); 203 } elseif ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip' ) && function_exists( 'gzencode' ) ) { 204 header( 'Content-Encoding: gzip' ); 205 $out = gzencode( $test_str, 1 ); 206 } else { 207 wp_die( -1 ); 208 } 209 210 echo $out; 211 wp_die(); 212 } elseif ( 'no' == $_GET['test'] ) { 213 check_ajax_referer( 'update_can_compress_scripts' ); 214 update_site_option( 'can_compress_scripts', 0 ); 215 } elseif ( 'yes' == $_GET['test'] ) { 216 check_ajax_referer( 'update_can_compress_scripts' ); 217 update_site_option( 'can_compress_scripts', 1 ); 218 } 219 } 220 221 wp_die( 0 ); 222 } 223 224 /** 225 * Ajax handler for image editor previews. 226 * 227 * @since 3.1.0 228 */ 229 function wp_ajax_imgedit_preview() { 230 $post_id = intval( $_GET['postid'] ); 231 if ( empty( $post_id ) || ! current_user_can( 'edit_post', $post_id ) ) { 232 wp_die( -1 ); 233 } 234 235 check_ajax_referer( "image_editor-$post_id" ); 236 237 include_once( ABSPATH . 'wp-admin/includes/image-edit.php' ); 238 239 if ( ! stream_preview_image( $post_id ) ) { 240 wp_die( -1 ); 241 } 242 243 wp_die(); 244 } 245 246 /** 247 * Ajax handler for oEmbed caching. 248 * 249 * @since 3.1.0 250 * 251 * @global WP_Embed $wp_embed 252 */ 253 function wp_ajax_oembed_cache() { 254 $GLOBALS['wp_embed']->cache_oembed( $_GET['post'] ); 255 wp_die( 0 ); 256 } 257 258 /** 259 * Ajax handler for user autocomplete. 260 * 261 * @since 3.4.0 262 */ 263 function wp_ajax_autocomplete_user() { 264 if ( ! is_multisite() || ! current_user_can( 'promote_users' ) || wp_is_large_network( 'users' ) ) { 265 wp_die( -1 ); 266 } 267 268 /** This filter is documented in wp-admin/user-new.php */ 269 if ( ! current_user_can( 'manage_network_users' ) && ! apply_filters( 'autocomplete_users_for_site_admins', false ) ) { 270 wp_die( -1 ); 271 } 272 273 $return = array(); 274 275 // Check the type of request 276 // Current allowed values are `add` and `search` 277 if ( isset( $_REQUEST['autocomplete_type'] ) && 'search' === $_REQUEST['autocomplete_type'] ) { 278 $type = $_REQUEST['autocomplete_type']; 279 } else { 280 $type = 'add'; 281 } 282 283 // Check the desired field for value 284 // Current allowed values are `user_email` and `user_login` 285 if ( isset( $_REQUEST['autocomplete_field'] ) && 'user_email' === $_REQUEST['autocomplete_field'] ) { 286 $field = $_REQUEST['autocomplete_field']; 287 } else { 288 $field = 'user_login'; 289 } 290 291 // Exclude current users of this blog 292 if ( isset( $_REQUEST['site_id'] ) ) { 293 $id = absint( $_REQUEST['site_id'] ); 294 } else { 295 $id = get_current_blog_id(); 296 } 297 298 $include_blog_users = ( $type == 'search' ? get_users( 299 array( 300 'blog_id' => $id, 301 'fields' => 'ID', 302 ) 303 ) : array() ); 304 305 $exclude_blog_users = ( $type == 'add' ? get_users( 306 array( 307 'blog_id' => $id, 308 'fields' => 'ID', 309 ) 310 ) : array() ); 311 312 $users = get_users( 313 array( 314 'blog_id' => false, 315 'search' => '*' . $_REQUEST['term'] . '*', 316 'include' => $include_blog_users, 317 'exclude' => $exclude_blog_users, 318 'search_columns' => array( 'user_login', 'user_nicename', 'user_email' ), 319 ) 320 ); 321 322 foreach ( $users as $user ) { 323 $return[] = array( 324 /* translators: 1: User login, 2: User email address. */ 325 'label' => sprintf( _x( '%1$s (%2$s)', 'user autocomplete result' ), $user->user_login, $user->user_email ), 326 'value' => $user->$field, 327 ); 328 } 329 330 wp_die( wp_json_encode( $return ) ); 331 } 332 333 /** 334 * Handles AJAX requests for community events 335 * 336 * @since 4.8.0 337 */ 338 function wp_ajax_get_community_events() { 339 require_once( ABSPATH . 'wp-admin/includes/class-wp-community-events.php' ); 340 341 check_ajax_referer( 'community_events' ); 342 343 $search = isset( $_POST['location'] ) ? wp_unslash( $_POST['location'] ) : ''; 344 $timezone = isset( $_POST['timezone'] ) ? wp_unslash( $_POST['timezone'] ) : ''; 345 $user_id = get_current_user_id(); 346 $saved_location = get_user_option( 'community-events-location', $user_id ); 347 $events_client = new WP_Community_Events( $user_id, $saved_location ); 348 $events = $events_client->get_events( $search, $timezone ); 349 $ip_changed = false; 350 351 if ( is_wp_error( $events ) ) { 352 wp_send_json_error( 353 array( 354 'error' => $events->get_error_message(), 355 ) 356 ); 357 } else { 358 if ( empty( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) ) { 359 $ip_changed = true; 360 } elseif ( isset( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) && $saved_location['ip'] !== $events['location']['ip'] ) { 361 $ip_changed = true; 362 } 363 364 /* 365 * The location should only be updated when it changes. The API doesn't always return 366 * a full location; sometimes it's missing the description or country. The location 367 * that was saved during the initial request is known to be good and complete, though. 368 * It should be left intact until the user explicitly changes it (either by manually 369 * searching for a new location, or by changing their IP address). 370 * 371 * If the location was updated with an incomplete response from the API, then it could 372 * break assumptions that the UI makes (e.g., that there will always be a description 373 * that corresponds to a latitude/longitude location). 374 * 375 * The location is stored network-wide, so that the user doesn't have to set it on each site. 376 */ 377 if ( $ip_changed || $search ) { 378 update_user_option( $user_id, 'community-events-location', $events['location'], true ); 379 } 380 381 wp_send_json_success( $events ); 382 } 383 } 384 385 /** 386 * Ajax handler for dashboard widgets. 387 * 388 * @since 3.4.0 389 */ 390 function wp_ajax_dashboard_widgets() { 391 require_once ABSPATH . 'wp-admin/includes/dashboard.php'; 392 393 $pagenow = $_GET['pagenow']; 394 if ( $pagenow === 'dashboard-user' || $pagenow === 'dashboard-network' || $pagenow === 'dashboard' ) { 395 set_current_screen( $pagenow ); 396 } 397 398 switch ( $_GET['widget'] ) { 399 case 'dashboard_primary': 400 wp_dashboard_primary(); 401 break; 402 } 403 wp_die(); 404 } 405 406 /** 407 * Ajax handler for Customizer preview logged-in status. 408 * 409 * @since 3.4.0 410 */ 411 function wp_ajax_logged_in() { 412 wp_die( 1 ); 413 } 414 415 // 416 // Ajax helpers. 417 // 418 419 /** 420 * Sends back current comment total and new page links if they need to be updated. 421 * 422 * Contrary to normal success Ajax response ("1"), die with time() on success. 423 * 424 * @access private 425 * @since 2.7.0 426 * 427 * @param int $comment_id 428 * @param int $delta 429 */ 430 function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) { 431 $total = isset( $_POST['_total'] ) ? (int) $_POST['_total'] : 0; 432 $per_page = isset( $_POST['_per_page'] ) ? (int) $_POST['_per_page'] : 0; 433 $page = isset( $_POST['_page'] ) ? (int) $_POST['_page'] : 0; 434 $url = isset( $_POST['_url'] ) ? esc_url_raw( $_POST['_url'] ) : ''; 435 436 // JS didn't send us everything we need to know. Just die with success message 437 if ( ! $total || ! $per_page || ! $page || ! $url ) { 438 $time = time(); 439 $comment = get_comment( $comment_id ); 440 $comment_status = ''; 441 $comment_link = ''; 442 443 if ( $comment ) { 444 $comment_status = $comment->comment_approved; 445 } 446 447 if ( 1 === (int) $comment_status ) { 448 $comment_link = get_comment_link( $comment ); 449 } 450 451 $counts = wp_count_comments(); 452 453 $x = new WP_Ajax_Response( 454 array( 455 'what' => 'comment', 456 // Here for completeness - not used. 457 'id' => $comment_id, 458 'supplemental' => array( 459 'status' => $comment_status, 460 'postId' => $comment ? $comment->comment_post_ID : '', 461 'time' => $time, 462 'in_moderation' => $counts->moderated, 463 'i18n_comments_text' => sprintf( 464 /* translators: %s: Number of comments. */ 465 _n( '%s Comment', '%s Comments', $counts->approved ), 466 number_format_i18n( $counts->approved ) 467 ), 468 'i18n_moderation_text' => sprintf( 469 /* translators: %s: Number of comments. */ 470 _n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ), 471 number_format_i18n( $counts->moderated ) 472 ), 473 'comment_link' => $comment_link, 474 ), 475 ) 476 ); 477 $x->send(); 478 } 479 480 $total += $delta; 481 if ( $total < 0 ) { 482 $total = 0; 483 } 484 485 // Only do the expensive stuff on a page-break, and about 1 other time per page 486 if ( 0 == $total % $per_page || 1 == mt_rand( 1, $per_page ) ) { 487 $post_id = 0; 488 // What type of comment count are we looking for? 489 $status = 'all'; 490 $parsed = parse_url( $url ); 491 492 if ( isset( $parsed['query'] ) ) { 493 parse_str( $parsed['query'], $query_vars ); 494 495 if ( ! empty( $query_vars['comment_status'] ) ) { 496 $status = $query_vars['comment_status']; 497 } 498 499 if ( ! empty( $query_vars['p'] ) ) { 500 $post_id = (int) $query_vars['p']; 501 } 502 503 if ( ! empty( $query_vars['comment_type'] ) ) { 504 $type = $query_vars['comment_type']; 505 } 506 } 507 508 if ( empty( $type ) ) { 509 // Only use the comment count if not filtering by a comment_type. 510 $comment_count = wp_count_comments( $post_id ); 511 512 // We're looking for a known type of comment count. 513 if ( isset( $comment_count->$status ) ) { 514 $total = $comment_count->$status; 515 } 516 } 517 // Else use the decremented value from above. 518 } 519 520 // The time since the last comment count. 521 $time = time(); 522 $comment = get_comment( $comment_id ); 523 $counts = wp_count_comments(); 524 525 $x = new WP_Ajax_Response( 526 array( 527 'what' => 'comment', 528 'id' => $comment_id, 529 'supplemental' => array( 530 'status' => $comment ? $comment->comment_approved : '', 531 'postId' => $comment ? $comment->comment_post_ID : '', 532 /* translators: %s: Number of comments. */ 533 'total_items_i18n' => sprintf( _n( '%s item', '%s items', $total ), number_format_i18n( $total ) ), 534 'total_pages' => ceil( $total / $per_page ), 535 'total_pages_i18n' => number_format_i18n( ceil( $total / $per_page ) ), 536 'total' => $total, 537 'time' => $time, 538 'in_moderation' => $counts->moderated, 539 'i18n_moderation_text' => sprintf( 540 /* translators: %s: Number of comments. */ 541 _n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ), 542 number_format_i18n( $counts->moderated ) 543 ), 544 ), 545 ) 546 ); 547 $x->send(); 548 } 549 550 // 551 // POST-based Ajax handlers. 552 // 553 554 /** 555 * Ajax handler for adding a hierarchical term. 556 * 557 * @access private 558 * @since 3.1.0 559 */ 560 function _wp_ajax_add_hierarchical_term() { 561 $action = $_POST['action']; 562 $taxonomy = get_taxonomy( substr( $action, 4 ) ); 563 check_ajax_referer( $action, '_ajax_nonce-add-' . $taxonomy->name ); 564 565 if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) { 566 wp_die( -1 ); 567 } 568 569 $names = explode( ',', $_POST[ 'new' . $taxonomy->name ] ); 570 $parent = isset( $_POST[ 'new' . $taxonomy->name . '_parent' ] ) ? (int) $_POST[ 'new' . $taxonomy->name . '_parent' ] : 0; 571 572 if ( 0 > $parent ) { 573 $parent = 0; 574 } 575 576 if ( $taxonomy->name == 'category' ) { 577 $post_category = isset( $_POST['post_category'] ) ? (array) $_POST['post_category'] : array(); 578 } else { 579 $post_category = ( isset( $_POST['tax_input'] ) && isset( $_POST['tax_input'][ $taxonomy->name ] ) ) ? (array) $_POST['tax_input'][ $taxonomy->name ] : array(); 580 } 581 582 $checked_categories = array_map( 'absint', (array) $post_category ); 583 $popular_ids = wp_popular_terms_checklist( $taxonomy->name, 0, 10, false ); 584 585 foreach ( $names as $cat_name ) { 586 $cat_name = trim( $cat_name ); 587 $category_nicename = sanitize_title( $cat_name ); 588 589 if ( '' === $category_nicename ) { 590 continue; 591 } 592 593 $cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) ); 594 595 if ( ! $cat_id || is_wp_error( $cat_id ) ) { 596 continue; 597 } else { 598 $cat_id = $cat_id['term_id']; 599 } 600 601 $checked_categories[] = $cat_id; 602 603 if ( $parent ) { // Do these all at once in a second 604 continue; 605 } 606 607 ob_start(); 608 609 wp_terms_checklist( 610 0, 611 array( 612 'taxonomy' => $taxonomy->name, 613 'descendants_and_self' => $cat_id, 614 'selected_cats' => $checked_categories, 615 'popular_cats' => $popular_ids, 616 ) 617 ); 618 619 $data = ob_get_clean(); 620 621 $add = array( 622 'what' => $taxonomy->name, 623 'id' => $cat_id, 624 'data' => str_replace( array( "\n", "\t" ), '', $data ), 625 'position' => -1, 626 ); 627 } 628 629 if ( $parent ) { // Foncy - replace the parent and all its children 630 $parent = get_term( $parent, $taxonomy->name ); 631 $term_id = $parent->term_id; 632 633 while ( $parent->parent ) { // get the top parent 634 $parent = get_term( $parent->parent, $taxonomy->name ); 635 if ( is_wp_error( $parent ) ) { 636 break; 637 } 638 $term_id = $parent->term_id; 639 } 640 641 ob_start(); 642 643 wp_terms_checklist( 644 0, 645 array( 646 'taxonomy' => $taxonomy->name, 647 'descendants_and_self' => $term_id, 648 'selected_cats' => $checked_categories, 649 'popular_cats' => $popular_ids, 650 ) 651 ); 652 653 $data = ob_get_clean(); 654 655 $add = array( 656 'what' => $taxonomy->name, 657 'id' => $term_id, 658 'data' => str_replace( array( "\n", "\t" ), '', $data ), 659 'position' => -1, 660 ); 661 } 662 663 ob_start(); 664 665 wp_dropdown_categories( 666 array( 667 'taxonomy' => $taxonomy->name, 668 'hide_empty' => 0, 669 'name' => 'new' . $taxonomy->name . '_parent', 670 'orderby' => 'name', 671 'hierarchical' => 1, 672 'show_option_none' => '— ' . $taxonomy->labels->parent_item . ' —', 673 ) 674 ); 675 676 $sup = ob_get_clean(); 677 678 $add['supplemental'] = array( 'newcat_parent' => $sup ); 679 680 $x = new WP_Ajax_Response( $add ); 681 $x->send(); 682 } 683 684 /** 685 * Ajax handler for deleting a comment. 686 * 687 * @since 3.1.0 688 */ 689 function wp_ajax_delete_comment() { 690 $id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0; 691 692 $comment = get_comment( $id ); 693 694 if ( ! $comment ) { 695 wp_die( time() ); 696 } 697 698 if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) { 699 wp_die( -1 ); 700 } 701 702 check_ajax_referer( "delete-comment_$id" ); 703 $status = wp_get_comment_status( $comment ); 704 $delta = -1; 705 706 if ( isset( $_POST['trash'] ) && 1 == $_POST['trash'] ) { 707 if ( 'trash' == $status ) { 708 wp_die( time() ); 709 } 710 711 $r = wp_trash_comment( $comment ); 712 } elseif ( isset( $_POST['untrash'] ) && 1 == $_POST['untrash'] ) { 713 if ( 'trash' != $status ) { 714 wp_die( time() ); 715 } 716 717 $r = wp_untrash_comment( $comment ); 718 719 if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'trash' ) { // undo trash, not in trash 720 $delta = 1; 721 } 722 } elseif ( isset( $_POST['spam'] ) && 1 == $_POST['spam'] ) { 723 if ( 'spam' == $status ) { 724 wp_die( time() ); 725 } 726 727 $r = wp_spam_comment( $comment ); 728 } elseif ( isset( $_POST['unspam'] ) && 1 == $_POST['unspam'] ) { 729 if ( 'spam' != $status ) { 730 wp_die( time() ); 731 } 732 733 $r = wp_unspam_comment( $comment ); 734 735 if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'spam' ) { // undo spam, not in spam 736 $delta = 1; 737 } 738 } elseif ( isset( $_POST['delete'] ) && 1 == $_POST['delete'] ) { 739 $r = wp_delete_comment( $comment ); 740 } else { 741 wp_die( -1 ); 742 } 743 744 if ( $r ) { // Decide if we need to send back '1' or a more complicated response including page links and comment counts 745 _wp_ajax_delete_comment_response( $comment->comment_ID, $delta ); 746 } 747 748 wp_die( 0 ); 749 } 750 751 /** 752 * Ajax handler for deleting a tag. 753 * 754 * @since 3.1.0 755 */ 756 function wp_ajax_delete_tag() { 757 $tag_id = (int) $_POST['tag_ID']; 758 check_ajax_referer( "delete-tag_$tag_id" ); 759 760 if ( ! current_user_can( 'delete_term', $tag_id ) ) { 761 wp_die( -1 ); 762 } 763 764 $taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag'; 765 $tag = get_term( $tag_id, $taxonomy ); 766 767 if ( ! $tag || is_wp_error( $tag ) ) { 768 wp_die( 1 ); 769 } 770 771 if ( wp_delete_term( $tag_id, $taxonomy ) ) { 772 wp_die( 1 ); 773 } else { 774 wp_die( 0 ); 775 } 776 } 777 778 /** 779 * Ajax handler for deleting a link. 780 * 781 * @since 3.1.0 782 */ 783 function wp_ajax_delete_link() { 784 $id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0; 785 786 check_ajax_referer( "delete-bookmark_$id" ); 787 788 if ( ! current_user_can( 'manage_links' ) ) { 789 wp_die( -1 ); 790 } 791 792 $link = get_bookmark( $id ); 793 if ( ! $link || is_wp_error( $link ) ) { 794 wp_die( 1 ); 795 } 796 797 if ( wp_delete_link( $id ) ) { 798 wp_die( 1 ); 799 } else { 800 wp_die( 0 ); 801 } 802 } 803 804 /** 805 * Ajax handler for deleting meta. 806 * 807 * @since 3.1.0 808 */ 809 function wp_ajax_delete_meta() { 810 $id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0; 811 812 check_ajax_referer( "delete-meta_$id" ); 813 $meta = get_metadata_by_mid( 'post', $id ); 814 815 if ( ! $meta ) { 816 wp_die( 1 ); 817 } 818 819 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $meta->post_id, $meta->meta_key ) ) { 820 wp_die( -1 ); 821 } 822 823 if ( delete_meta( $meta->meta_id ) ) { 824 wp_die( 1 ); 825 } 826 827 wp_die( 0 ); 828 } 829 830 /** 831 * Ajax handler for deleting a post. 832 * 833 * @since 3.1.0 834 * 835 * @param string $action Action to perform. 836 */ 837 function wp_ajax_delete_post( $action ) { 838 if ( empty( $action ) ) { 839 $action = 'delete-post'; 840 } 841 842 $id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0; 843 check_ajax_referer( "{$action}_$id" ); 844 845 if ( ! current_user_can( 'delete_post', $id ) ) { 846 wp_die( -1 ); 847 } 848 849 if ( ! get_post( $id ) ) { 850 wp_die( 1 ); 851 } 852 853 if ( wp_delete_post( $id ) ) { 854 wp_die( 1 ); 855 } else { 856 wp_die( 0 ); 857 } 858 } 859 860 /** 861 * Ajax handler for sending a post to the trash. 862 * 863 * @since 3.1.0 864 * 865 * @param string $action Action to perform. 866 */ 867 function wp_ajax_trash_post( $action ) { 868 if ( empty( $action ) ) { 869 $action = 'trash-post'; 870 } 871 872 $id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0; 873 check_ajax_referer( "{$action}_$id" ); 874 875 if ( ! current_user_can( 'delete_post', $id ) ) { 876 wp_die( -1 ); 877 } 878 879 if ( ! get_post( $id ) ) { 880 wp_die( 1 ); 881 } 882 883 if ( 'trash-post' == $action ) { 884 $done = wp_trash_post( $id ); 885 } else { 886 $done = wp_untrash_post( $id ); 887 } 888 889 if ( $done ) { 890 wp_die( 1 ); 891 } 892 893 wp_die( 0 ); 894 } 895 896 /** 897 * Ajax handler to restore a post from the trash. 898 * 899 * @since 3.1.0 900 * 901 * @param string $action Action to perform. 902 */ 903 function wp_ajax_untrash_post( $action ) { 904 if ( empty( $action ) ) { 905 $action = 'untrash-post'; 906 } 907 908 wp_ajax_trash_post( $action ); 909 } 910 911 /** 912 * Ajax handler to delete a page. 913 * 914 * @since 3.1.0 915 * 916 * @param string $action Action to perform. 917 */ 918 function wp_ajax_delete_page( $action ) { 919 if ( empty( $action ) ) { 920 $action = 'delete-page'; 921 } 922 923 $id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0; 924 check_ajax_referer( "{$action}_$id" ); 925 926 if ( ! current_user_can( 'delete_page', $id ) ) { 927 wp_die( -1 ); 928 } 929 930 if ( ! get_post( $id ) ) { 931 wp_die( 1 ); 932 } 933 934 if ( wp_delete_post( $id ) ) { 935 wp_die( 1 ); 936 } else { 937 wp_die( 0 ); 938 } 939 } 940 941 /** 942 * Ajax handler to dim a comment. 943 * 944 * @since 3.1.0 945 */ 946 function wp_ajax_dim_comment() { 947 $id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0; 948 $comment = get_comment( $id ); 949 950 if ( ! $comment ) { 951 $x = new WP_Ajax_Response( 952 array( 953 'what' => 'comment', 954 'id' => new WP_Error( 955 'invalid_comment', 956 /* translators: %d: Comment ID. */ 957 sprintf( __( 'Comment %d does not exist' ), $id ) 958 ), 959 ) 960 ); 961 $x->send(); 962 } 963 964 if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && ! current_user_can( 'moderate_comments' ) ) { 965 wp_die( -1 ); 966 } 967 968 $current = wp_get_comment_status( $comment ); 969 970 if ( isset( $_POST['new'] ) && $_POST['new'] == $current ) { 971 wp_die( time() ); 972 } 973 974 check_ajax_referer( "approve-comment_$id" ); 975 976 if ( in_array( $current, array( 'unapproved', 'spam' ) ) ) { 977 $result = wp_set_comment_status( $comment, 'approve', true ); 978 } else { 979 $result = wp_set_comment_status( $comment, 'hold', true ); 980 } 981 982 if ( is_wp_error( $result ) ) { 983 $x = new WP_Ajax_Response( 984 array( 985 'what' => 'comment', 986 'id' => $result, 987 ) 988 ); 989 $x->send(); 990 } 991 992 // Decide if we need to send back '1' or a more complicated response including page links and comment counts 993 _wp_ajax_delete_comment_response( $comment->comment_ID ); 994 wp_die( 0 ); 995 } 996 997 /** 998 * Ajax handler for adding a link category. 999 * 1000 * @since 3.1.0 1001 * 1002 * @param string $action Action to perform. 1003 */ 1004 function wp_ajax_add_link_category( $action ) { 1005 if ( empty( $action ) ) { 1006 $action = 'add-link-category'; 1007 } 1008 1009 check_ajax_referer( $action ); 1010 $tax = get_taxonomy( 'link_category' ); 1011 1012 if ( ! current_user_can( $tax->cap->manage_terms ) ) { 1013 wp_die( -1 ); 1014 } 1015 1016 $names = explode( ',', wp_unslash( $_POST['newcat'] ) ); 1017 $x = new WP_Ajax_Response(); 1018 1019 foreach ( $names as $cat_name ) { 1020 $cat_name = trim( $cat_name ); 1021 $slug = sanitize_title( $cat_name ); 1022 1023 if ( '' === $slug ) { 1024 continue; 1025 } 1026 1027 $cat_id = wp_insert_term( $cat_name, 'link_category' ); 1028 1029 if ( ! $cat_id || is_wp_error( $cat_id ) ) { 1030 continue; 1031 } else { 1032 $cat_id = $cat_id['term_id']; 1033 } 1034 1035 $cat_name = esc_html( $cat_name ); 1036 1037 $x->add( 1038 array( 1039 'what' => 'link-category', 1040 'id' => $cat_id, 1041 'data' => "<li id='link-category-$cat_id'><label for='in-link-category-$cat_id' class='selectit'><input value='" . esc_attr( $cat_id ) . "' type='checkbox' checked='checked' name='link_category[]' id='in-link-category-$cat_id'/> $cat_name</label></li>", 1042 'position' => -1, 1043 ) 1044 ); 1045 } 1046 $x->send(); 1047 } 1048 1049 /** 1050 * Ajax handler to add a tag. 1051 * 1052 * @since 3.1.0 1053 */ 1054 function wp_ajax_add_tag() { 1055 check_ajax_referer( 'add-tag', '_wpnonce_add-tag' ); 1056 $taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag'; 1057 $tax = get_taxonomy( $taxonomy ); 1058 1059 if ( ! current_user_can( $tax->cap->edit_terms ) ) { 1060 wp_die( -1 ); 1061 } 1062 1063 $x = new WP_Ajax_Response(); 1064 1065 $tag = wp_insert_term( $_POST['tag-name'], $taxonomy, $_POST ); 1066 1067 if ( $tag && ! is_wp_error( $tag ) ) { 1068 $tag = get_term( $tag['term_id'], $taxonomy ); 1069 } 1070 1071 if ( ! $tag || is_wp_error( $tag ) ) { 1072 $message = __( 'An error has occurred. Please reload the page and try again.' ); 1073 1074 if ( is_wp_error( $tag ) && $tag->get_error_message() ) { 1075 $message = $tag->get_error_message(); 1076 } 1077 1078 $x->add( 1079 array( 1080 'what' => 'taxonomy', 1081 'data' => new WP_Error( 'error', $message ), 1082 ) 1083 ); 1084 $x->send(); 1085 } 1086 1087 $wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => $_POST['screen'] ) ); 1088 1089 $level = 0; 1090 $noparents = ''; 1091 1092 if ( is_taxonomy_hierarchical( $taxonomy ) ) { 1093 $level = count( get_ancestors( $tag->term_id, $taxonomy, 'taxonomy' ) ); 1094 ob_start(); 1095 $wp_list_table->single_row( $tag, $level ); 1096 $noparents = ob_get_clean(); 1097 } 1098 1099 ob_start(); 1100 $wp_list_table->single_row( $tag ); 1101 $parents = ob_get_clean(); 1102 1103 $x->add( 1104 array( 1105 'what' => 'taxonomy', 1106 'supplemental' => compact( 'parents', 'noparents' ), 1107 ) 1108 ); 1109 1110 $x->add( 1111 array( 1112 'what' => 'term', 1113 'position' => $level, 1114 'supplemental' => (array) $tag, 1115 ) 1116 ); 1117 1118 $x->send(); 1119 } 1120 1121 /** 1122 * Ajax handler for getting a tagcloud. 1123 * 1124 * @since 3.1.0 1125 */ 1126 function wp_ajax_get_tagcloud() { 1127 if ( ! isset( $_POST['tax'] ) ) { 1128 wp_die( 0 ); 1129 } 1130 1131 $taxonomy = sanitize_key( $_POST['tax'] ); 1132 $tax = get_taxonomy( $taxonomy ); 1133 1134 if ( ! $tax ) { 1135 wp_die( 0 ); 1136 } 1137 1138 if ( ! current_user_can( $tax->cap->assign_terms ) ) { 1139 wp_die( -1 ); 1140 } 1141 1142 $tags = get_terms( 1143 array( 1144 'taxonomy' => $taxonomy, 1145 'number' => 45, 1146 'orderby' => 'count', 1147 'order' => 'DESC', 1148 ) 1149 ); 1150 1151 if ( empty( $tags ) ) { 1152 wp_die( $tax->labels->not_found ); 1153 } 1154 1155 if ( is_wp_error( $tags ) ) { 1156 wp_die( $tags->get_error_message() ); 1157 } 1158 1159 foreach ( $tags as $key => $tag ) { 1160 $tags[ $key ]->link = '#'; 1161 $tags[ $key ]->id = $tag->term_id; 1162 } 1163 1164 // We need raw tag names here, so don't filter the output 1165 $return = wp_generate_tag_cloud( 1166 $tags, 1167 array( 1168 'filter' => 0, 1169 'format' => 'list', 1170 ) 1171 ); 1172 1173 if ( empty( $return ) ) { 1174 wp_die( 0 ); 1175 } 1176 1177 echo $return; 1178 wp_die(); 1179 } 1180 1181 /** 1182 * Ajax handler for getting comments. 1183 * 1184 * @since 3.1.0 1185 * 1186 * @global int $post_id 1187 * 1188 * @param string $action Action to perform. 1189 */ 1190 function wp_ajax_get_comments( $action ) { 1191 global $post_id; 1192 1193 if ( empty( $action ) ) { 1194 $action = 'get-comments'; 1195 } 1196 1197 check_ajax_referer( $action ); 1198 1199 if ( empty( $post_id ) && ! empty( $_REQUEST['p'] ) ) { 1200 $id = absint( $_REQUEST['p'] ); 1201 if ( ! empty( $id ) ) { 1202 $post_id = $id; 1203 } 1204 } 1205 1206 if ( empty( $post_id ) ) { 1207 wp_die( -1 ); 1208 } 1209 1210 $wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) ); 1211 1212 if ( ! current_user_can( 'edit_post', $post_id ) ) { 1213 wp_die( -1 ); 1214 } 1215 1216 $wp_list_table->prepare_items(); 1217 1218 if ( ! $wp_list_table->has_items() ) { 1219 wp_die( 1 ); 1220 } 1221 1222 $x = new WP_Ajax_Response(); 1223 1224 ob_start(); 1225 foreach ( $wp_list_table->items as $comment ) { 1226 if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && 0 === $comment->comment_approved ) { 1227 continue; 1228 } 1229 get_comment( $comment ); 1230 $wp_list_table->single_row( $comment ); 1231 } 1232 $comment_list_item = ob_get_clean(); 1233 1234 $x->add( 1235 array( 1236 'what' => 'comments', 1237 'data' => $comment_list_item, 1238 ) 1239 ); 1240 1241 $x->send(); 1242 } 1243 1244 /** 1245 * Ajax handler for replying to a comment. 1246 * 1247 * @since 3.1.0 1248 * 1249 * @param string $action Action to perform. 1250 */ 1251 function wp_ajax_replyto_comment( $action ) { 1252 if ( empty( $action ) ) { 1253 $action = 'replyto-comment'; 1254 } 1255 1256 check_ajax_referer( $action, '_ajax_nonce-replyto-comment' ); 1257 1258 $comment_post_ID = (int) $_POST['comment_post_ID']; 1259 $post = get_post( $comment_post_ID ); 1260 1261 if ( ! $post ) { 1262 wp_die( -1 ); 1263 } 1264 1265 if ( ! current_user_can( 'edit_post', $comment_post_ID ) ) { 1266 wp_die( -1 ); 1267 } 1268 1269 if ( empty( $post->post_status ) ) { 1270 wp_die( 1 ); 1271 } elseif ( in_array( $post->post_status, array( 'draft', 'pending', 'trash' ) ) ) { 1272 wp_die( __( 'ERROR: you are replying to a comment on a draft post.' ) ); 1273 } 1274 1275 $user = wp_get_current_user(); 1276 1277 if ( $user->exists() ) { 1278 $user_ID = $user->ID; 1279 $comment_author = wp_slash( $user->display_name ); 1280 $comment_author_email = wp_slash( $user->user_email ); 1281 $comment_author_url = wp_slash( $user->user_url ); 1282 $comment_content = trim( $_POST['content'] ); 1283 $comment_type = isset( $_POST['comment_type'] ) ? trim( $_POST['comment_type'] ) : ''; 1284 1285 if ( current_user_can( 'unfiltered_html' ) ) { 1286 if ( ! isset( $_POST['_wp_unfiltered_html_comment'] ) ) { 1287 $_POST['_wp_unfiltered_html_comment'] = ''; 1288 } 1289 1290 if ( wp_create_nonce( 'unfiltered-html-comment' ) != $_POST['_wp_unfiltered_html_comment'] ) { 1291 kses_remove_filters(); // start with a clean slate 1292 kses_init_filters(); // set up the filters 1293 remove_filter( 'pre_comment_content', 'wp_filter_post_kses' ); 1294 add_filter( 'pre_comment_content', 'wp_filter_kses' ); 1295 } 1296 } 1297 } else { 1298 wp_die( __( 'Sorry, you must be logged in to reply to a comment.' ) ); 1299 } 1300 1301 if ( '' == $comment_content ) { 1302 wp_die( __( 'ERROR: please type a comment.' ) ); 1303 } 1304 1305 $comment_parent = 0; 1306 1307 if ( isset( $_POST['comment_ID'] ) ) { 1308 $comment_parent = absint( $_POST['comment_ID'] ); 1309 } 1310 1311 $comment_auto_approved = false; 1312 $commentdata = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID' ); 1313 1314 // Automatically approve parent comment. 1315 if ( ! empty( $_POST['approve_parent'] ) ) { 1316 $parent = get_comment( $comment_parent ); 1317 1318 if ( $parent && $parent->comment_approved === '0' && $parent->comment_post_ID == $comment_post_ID ) { 1319 if ( ! current_user_can( 'edit_comment', $parent->comment_ID ) ) { 1320 wp_die( -1 ); 1321 } 1322 1323 if ( wp_set_comment_status( $parent, 'approve' ) ) { 1324 $comment_auto_approved = true; 1325 } 1326 } 1327 } 1328 1329 $comment_id = wp_new_comment( $commentdata ); 1330 1331 if ( is_wp_error( $comment_id ) ) { 1332 wp_die( $comment_id->get_error_message() ); 1333 } 1334 1335 $comment = get_comment( $comment_id ); 1336 1337 if ( ! $comment ) { 1338 wp_die( 1 ); 1339 } 1340 1341 $position = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1'; 1342 1343 ob_start(); 1344 if ( isset( $_REQUEST['mode'] ) && 'dashboard' == $_REQUEST['mode'] ) { 1345 require_once( ABSPATH . 'wp-admin/includes/dashboard.php' ); 1346 _wp_dashboard_recent_comments_row( $comment ); 1347 } else { 1348 if ( isset( $_REQUEST['mode'] ) && 'single' == $_REQUEST['mode'] ) { 1349 $wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) ); 1350 } else { 1351 $wp_list_table = _get_list_table( 'WP_Comments_List_Table', array( 'screen' => 'edit-comments' ) ); 1352 } 1353 $wp_list_table->single_row( $comment ); 1354 } 1355 $comment_list_item = ob_get_clean(); 1356 1357 $response = array( 1358 'what' => 'comment', 1359 'id' => $comment->comment_ID, 1360 'data' => $comment_list_item, 1361 'position' => $position, 1362 ); 1363 1364 $counts = wp_count_comments(); 1365 $response['supplemental'] = array( 1366 'in_moderation' => $counts->moderated, 1367 'i18n_comments_text' => sprintf( 1368 /* translators: %s: Number of comments. */ 1369 _n( '%s Comment', '%s Comments', $counts->approved ), 1370 number_format_i18n( $counts->approved ) 1371 ), 1372 'i18n_moderation_text' => sprintf( 1373 /* translators: %s: Number of comments. */ 1374 _n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ), 1375 number_format_i18n( $counts->moderated ) 1376 ), 1377 ); 1378 1379 if ( $comment_auto_approved ) { 1380 $response['supplemental']['parent_approved'] = $parent->comment_ID; 1381 $response['supplemental']['parent_post_id'] = $parent->comment_post_ID; 1382 } 1383 1384 $x = new WP_Ajax_Response(); 1385 $x->add( $response ); 1386 $x->send(); 1387 } 1388 1389 /** 1390 * Ajax handler for editing a comment. 1391 * 1392 * @since 3.1.0 1393 */ 1394 function wp_ajax_edit_comment() { 1395 check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' ); 1396 1397 $comment_id = (int) $_POST['comment_ID']; 1398 1399 if ( ! current_user_can( 'edit_comment', $comment_id ) ) { 1400 wp_die( -1 ); 1401 } 1402 1403 if ( '' == $_POST['content'] ) { 1404 wp_die( __( 'ERROR: please type a comment.' ) ); 1405 } 1406 1407 if ( isset( $_POST['status'] ) ) { 1408 $_POST['comment_status'] = $_POST['status']; 1409 } 1410 edit_comment(); 1411 1412 $position = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1'; 1413 $checkbox = ( isset( $_POST['checkbox'] ) && true == $_POST['checkbox'] ) ? 1 : 0; 1414 $wp_list_table = _get_list_table( $checkbox ? 'WP_Comments_List_Table' : 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) ); 1415 1416 $comment = get_comment( $comment_id ); 1417 1418 if ( empty( $comment->comment_ID ) ) { 1419 wp_die( -1 ); 1420 } 1421 1422 ob_start(); 1423 $wp_list_table->single_row( $comment ); 1424 $comment_list_item = ob_get_clean(); 1425 1426 $x = new WP_Ajax_Response(); 1427 1428 $x->add( 1429 array( 1430 'what' => 'edit_comment', 1431 'id' => $comment->comment_ID, 1432 'data' => $comment_list_item, 1433 'position' => $position, 1434 ) 1435 ); 1436 1437 $x->send(); 1438 } 1439 1440 /** 1441 * Ajax handler for adding a menu item. 1442 * 1443 * @since 3.1.0 1444 */ 1445 function wp_ajax_add_menu_item() { 1446 check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' ); 1447 1448 if ( ! current_user_can( 'edit_theme_options' ) ) { 1449 wp_die( -1 ); 1450 } 1451 1452 require_once ABSPATH . 'wp-admin/includes/nav-menu.php'; 1453 1454 // For performance reasons, we omit some object properties from the checklist. 1455 // The following is a hacky way to restore them when adding non-custom items. 1456 $menu_items_data = array(); 1457 1458 foreach ( (array) $_POST['menu-item'] as $menu_item_data ) { 1459 if ( 1460 ! empty( $menu_item_data['menu-item-type'] ) && 1461 'custom' != $menu_item_data['menu-item-type'] && 1462 ! empty( $menu_item_data['menu-item-object-id'] ) 1463 ) { 1464 switch ( $menu_item_data['menu-item-type'] ) { 1465 case 'post_type': 1466 $_object = get_post( $menu_item_data['menu-item-object-id'] ); 1467 break; 1468 1469 case 'post_type_archive': 1470 $_object = get_post_type_object( $menu_item_data['menu-item-object'] ); 1471 break; 1472 1473 case 'taxonomy': 1474 $_object = get_term( $menu_item_data['menu-item-object-id'], $menu_item_data['menu-item-object'] ); 1475 break; 1476 } 1477 1478 $_menu_items = array_map( 'wp_setup_nav_menu_item', array( $_object ) ); 1479 $_menu_item = reset( $_menu_items ); 1480 1481 // Restore the missing menu item properties 1482 $menu_item_data['menu-item-description'] = $_menu_item->description; 1483 } 1484 1485 $menu_items_data[] = $menu_item_data; 1486 } 1487 1488 $item_ids = wp_save_nav_menu_items( 0, $menu_items_data ); 1489 if ( is_wp_error( $item_ids ) ) { 1490 wp_die( 0 ); 1491 } 1492 1493 $menu_items = array(); 1494 1495 foreach ( (array) $item_ids as $menu_item_id ) { 1496 $menu_obj = get_post( $menu_item_id ); 1497 1498 if ( ! empty( $menu_obj->ID ) ) { 1499 $menu_obj = wp_setup_nav_menu_item( $menu_obj ); 1500 $menu_obj->title = empty( $menu_obj->title ) ? __( 'Menu Item' ) : $menu_obj->title; 1501 $menu_obj->label = $menu_obj->title; // don't show "(pending)" in ajax-added items 1502 $menu_items[] = $menu_obj; 1503 } 1504 } 1505 1506 /** This filter is documented in wp-admin/includes/nav-menu.php */ 1507 $walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $_POST['menu'] ); 1508 1509 if ( ! class_exists( $walker_class_name ) ) { 1510 wp_die( 0 ); 1511 } 1512 1513 if ( ! empty( $menu_items ) ) { 1514 $args = array( 1515 'after' => '', 1516 'before' => '', 1517 'link_after' => '', 1518 'link_before' => '', 1519 'walker' => new $walker_class_name, 1520 ); 1521 1522 echo walk_nav_menu_tree( $menu_items, 0, (object) $args ); 1523 } 1524 1525 wp_die(); 1526 } 1527 1528 /** 1529 * Ajax handler for adding meta. 1530 * 1531 * @since 3.1.0 1532 */ 1533 function wp_ajax_add_meta() { 1534 check_ajax_referer( 'add-meta', '_ajax_nonce-add-meta' ); 1535 $c = 0; 1536 $pid = (int) $_POST['post_id']; 1537 $post = get_post( $pid ); 1538 1539 if ( isset( $_POST['metakeyselect'] ) || isset( $_POST['metakeyinput'] ) ) { 1540 if ( ! current_user_can( 'edit_post', $pid ) ) { 1541 wp_die( -1 ); 1542 } 1543 1544 if ( isset( $_POST['metakeyselect'] ) && '#NONE#' == $_POST['metakeyselect'] && empty( $_POST['metakeyinput'] ) ) { 1545 wp_die( 1 ); 1546 } 1547 1548 // If the post is an autodraft, save the post as a draft and then attempt to save the meta. 1549 if ( $post->post_status == 'auto-draft' ) { 1550 $post_data = array(); 1551 $post_data['action'] = 'draft'; // Warning fix 1552 $post_data['post_ID'] = $pid; 1553 $post_data['post_type'] = $post->post_type; 1554 $post_data['post_status'] = 'draft'; 1555 $now = time(); 1556 /* translators: 1: Post creation date, 2: Post creation time. */ 1557 $post_data['post_title'] = sprintf( __( 'Draft created on %1$s at %2$s' ), gmdate( __( 'F j, Y' ), $now ), gmdate( __( 'g:i a' ), $now ) ); 1558 1559 $pid = edit_post( $post_data ); 1560 1561 if ( $pid ) { 1562 if ( is_wp_error( $pid ) ) { 1563 $x = new WP_Ajax_Response( 1564 array( 1565 'what' => 'meta', 1566 'data' => $pid, 1567 ) 1568 ); 1569 $x->send(); 1570 } 1571 1572 $mid = add_meta( $pid ); 1573 if ( ! $mid ) { 1574 wp_die( __( 'Please provide a custom field value.' ) ); 1575 } 1576 } else { 1577 wp_die( 0 ); 1578 } 1579 } else { 1580 $mid = add_meta( $pid ); 1581 if ( ! $mid ) { 1582 wp_die( __( 'Please provide a custom field value.' ) ); 1583 } 1584 } 1585 1586 $meta = get_metadata_by_mid( 'post', $mid ); 1587 $pid = (int) $meta->post_id; 1588 $meta = get_object_vars( $meta ); 1589 1590 $x = new WP_Ajax_Response( 1591 array( 1592 'what' => 'meta', 1593 'id' => $mid, 1594 'data' => _list_meta_row( $meta, $c ), 1595 'position' => 1, 1596 'supplemental' => array( 'postid' => $pid ), 1597 ) 1598 ); 1599 } else { // Update? 1600 $mid = (int) key( $_POST['meta'] ); 1601 $key = wp_unslash( $_POST['meta'][ $mid ]['key'] ); 1602 $value = wp_unslash( $_POST['meta'][ $mid ]['value'] ); 1603 1604 if ( '' == trim( $key ) ) { 1605 wp_die( __( 'Please provide a custom field name.' ) ); 1606 } 1607 1608 $meta = get_metadata_by_mid( 'post', $mid ); 1609 1610 if ( ! $meta ) { 1611 wp_die( 0 ); // if meta doesn't exist 1612 } 1613 1614 if ( 1615 is_protected_meta( $meta->meta_key, 'post' ) || is_protected_meta( $key, 'post' ) || 1616 ! current_user_can( 'edit_post_meta', $meta->post_id, $meta->meta_key ) || 1617 ! current_user_can( 'edit_post_meta', $meta->post_id, $key ) 1618 ) { 1619 wp_die( -1 ); 1620 } 1621 1622 if ( $meta->meta_value != $value || $meta->meta_key != $key ) { 1623 $u = update_metadata_by_mid( 'post', $mid, $value, $key ); 1624 if ( ! $u ) { 1625 wp_die( 0 ); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems). 1626 } 1627 } 1628 1629 $x = new WP_Ajax_Response( 1630 array( 1631 'what' => 'meta', 1632 'id' => $mid, 1633 'old_id' => $mid, 1634 'data' => _list_meta_row( 1635 array( 1636 'meta_key' => $key, 1637 'meta_value' => $value, 1638 'meta_id' => $mid, 1639 ), 1640 $c 1641 ), 1642 'position' => 0, 1643 'supplemental' => array( 'postid' => $meta->post_id ), 1644 ) 1645 ); 1646 } 1647 $x->send(); 1648 } 1649 1650 /** 1651 * Ajax handler for adding a user. 1652 * 1653 * @since 3.1.0 1654 * 1655 * @param string $action Action to perform. 1656 */ 1657 function wp_ajax_add_user( $action ) { 1658 if ( empty( $action ) ) { 1659 $action = 'add-user'; 1660 } 1661 1662 check_ajax_referer( $action ); 1663 1664 if ( ! current_user_can( 'create_users' ) ) { 1665 wp_die( -1 ); 1666 } 1667 1668 $user_id = edit_user(); 1669 1670 if ( ! $user_id ) { 1671 wp_die( 0 ); 1672 } elseif ( is_wp_error( $user_id ) ) { 1673 $x = new WP_Ajax_Response( 1674 array( 1675 'what' => 'user', 1676 'id' => $user_id, 1677 ) 1678 ); 1679 $x->send(); 1680 } 1681 1682 $user_object = get_userdata( $user_id ); 1683 $wp_list_table = _get_list_table( 'WP_Users_List_Table' ); 1684 1685 $role = current( $user_object->roles ); 1686 1687 $x = new WP_Ajax_Response( 1688 array( 1689 'what' => 'user', 1690 'id' => $user_id, 1691 'data' => $wp_list_table->single_row( $user_object, '', $role ), 1692 'supplemental' => array( 1693 'show-link' => sprintf( 1694 /* translators: %s: The new user. */ 1695 __( 'User %s added' ), 1696 '<a href="#user-' . $user_id . '">' . $user_object->user_login . '</a>' 1697 ), 1698 'role' => $role, 1699 ), 1700 ) 1701 ); 1702 $x->send(); 1703 } 1704 1705 /** 1706 * Ajax handler for closed post boxes. 1707 * 1708 * @since 3.1.0 1709 */ 1710 function wp_ajax_closed_postboxes() { 1711 check_ajax_referer( 'closedpostboxes', 'closedpostboxesnonce' ); 1712 $closed = isset( $_POST['closed'] ) ? explode( ',', $_POST['closed'] ) : array(); 1713 $closed = array_filter( $closed ); 1714 1715 $hidden = isset( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array(); 1716 $hidden = array_filter( $hidden ); 1717 1718 $page = isset( $_POST['page'] ) ? $_POST['page'] : ''; 1719 1720 if ( $page != sanitize_key( $page ) ) { 1721 wp_die( 0 ); 1722 } 1723 1724 $user = wp_get_current_user(); 1725 if ( ! $user ) { 1726 wp_die( -1 ); 1727 } 1728 1729 if ( is_array( $closed ) ) { 1730 update_user_option( $user->ID, "closedpostboxes_$page", $closed, true ); 1731 } 1732 1733 if ( is_array( $hidden ) ) { 1734 $hidden = array_diff( $hidden, array( 'submitdiv', 'linksubmitdiv', 'manage-menu', 'create-menu' ) ); // postboxes that are always shown 1735 update_user_option( $user->ID, "metaboxhidden_$page", $hidden, true ); 1736 } 1737 1738 wp_die( 1 ); 1739 } 1740 1741 /** 1742 * Ajax handler for hidden columns. 1743 * 1744 * @since 3.1.0 1745 */ 1746 function wp_ajax_hidden_columns() { 1747 check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' ); 1748 $page = isset( $_POST['page'] ) ? $_POST['page'] : ''; 1749 1750 if ( $page != sanitize_key( $page ) ) { 1751 wp_die( 0 ); 1752 } 1753 1754 $user = wp_get_current_user(); 1755 if ( ! $user ) { 1756 wp_die( -1 ); 1757 } 1758 1759 $hidden = ! empty( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array(); 1760 update_user_option( $user->ID, "manage{$page}columnshidden", $hidden, true ); 1761 1762 wp_die( 1 ); 1763 } 1764 1765 /** 1766 * Ajax handler for updating whether to display the welcome panel. 1767 * 1768 * @since 3.1.0 1769 */ 1770 function wp_ajax_update_welcome_panel() { 1771 check_ajax_referer( 'welcome-panel-nonce', 'welcomepanelnonce' ); 1772 1773 if ( ! current_user_can( 'edit_theme_options' ) ) { 1774 wp_die( -1 ); 1775 } 1776 1777 update_user_meta( get_current_user_id(), 'show_welcome_panel', empty( $_POST['visible'] ) ? 0 : 1 ); 1778 1779 wp_die( 1 ); 1780 } 1781 1782 /** 1783 * Ajax handler for retrieving menu meta boxes. 1784 * 1785 * @since 3.1.0 1786 */ 1787 function wp_ajax_menu_get_metabox() { 1788 if ( ! current_user_can( 'edit_theme_options' ) ) { 1789 wp_die( -1 ); 1790 } 1791 1792 require_once ABSPATH . 'wp-admin/includes/nav-menu.php'; 1793 1794 if ( isset( $_POST['item-type'] ) && 'post_type' == $_POST['item-type'] ) { 1795 $type = 'posttype'; 1796 $callback = 'wp_nav_menu_item_post_type_meta_box'; 1797 $items = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' ); 1798 } elseif ( isset( $_POST['item-type'] ) && 'taxonomy' == $_POST['item-type'] ) { 1799 $type = 'taxonomy'; 1800 $callback = 'wp_nav_menu_item_taxonomy_meta_box'; 1801 $items = (array) get_taxonomies( array( 'show_ui' => true ), 'object' ); 1802 } 1803 1804 if ( ! empty( $_POST['item-object'] ) && isset( $items[ $_POST['item-object'] ] ) ) { 1805 $menus_meta_box_object = $items[ $_POST['item-object'] ]; 1806 1807 /** This filter is documented in wp-admin/includes/nav-menu.php */ 1808 $item = apply_filters( 'nav_menu_meta_box_object', $menus_meta_box_object ); 1809 1810 $box_args = array( 1811 'id' => 'add-' . $item->name, 1812 'title' => $item->labels->name, 1813 'callback' => $callback, 1814 'args' => $item, 1815 ); 1816 1817 ob_start(); 1818 $callback( null, $box_args ); 1819 1820 $markup = ob_get_clean(); 1821 1822 echo wp_json_encode( 1823 array( 1824 'replace-id' => $type . '-' . $item->name, 1825 'markup' => $markup, 1826 ) 1827 ); 1828 } 1829 1830 wp_die(); 1831 } 1832 1833 /** 1834 * Ajax handler for internal linking. 1835 * 1836 * @since 3.1.0 1837 */ 1838 function wp_ajax_wp_link_ajax() { 1839 check_ajax_referer( 'internal-linking', '_ajax_linking_nonce' ); 1840 1841 $args = array(); 1842 1843 if ( isset( $_POST['search'] ) ) { 1844 $args['s'] = wp_unslash( $_POST['search'] ); 1845 } 1846 1847 if ( isset( $_POST['term'] ) ) { 1848 $args['s'] = wp_unslash( $_POST['term'] ); 1849 } 1850 1851 $args['pagenum'] = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1; 1852 1853 if ( ! class_exists( '_WP_Editors', false ) ) { 1854 require ( ABSPATH . WPINC . '/class-wp-editor.php' ); 1855 } 1856 1857 $results = _WP_Editors::wp_link_query( $args ); 1858 1859 if ( ! isset( $results ) ) { 1860 wp_die( 0 ); 1861 } 1862 1863 echo wp_json_encode( $results ); 1864 echo "\n"; 1865 1866 wp_die(); 1867 } 1868 1869 /** 1870 * Ajax handler for menu locations save. 1871 * 1872 * @since 3.1.0 1873 */ 1874 function wp_ajax_menu_locations_save() { 1875 if ( ! current_user_can( 'edit_theme_options' ) ) { 1876 wp_die( -1 ); 1877 } 1878 1879 check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' ); 1880 1881 if ( ! isset( $_POST['menu-locations'] ) ) { 1882 wp_die( 0 ); 1883 } 1884 1885 set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_POST['menu-locations'] ) ); 1886 wp_die( 1 ); 1887 } 1888 1889 /** 1890 * Ajax handler for saving the meta box order. 1891 * 1892 * @since 3.1.0 1893 */ 1894 function wp_ajax_meta_box_order() { 1895 check_ajax_referer( 'meta-box-order' ); 1896 $order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false; 1897 $page_columns = isset( $_POST['page_columns'] ) ? $_POST['page_columns'] : 'auto'; 1898 1899 if ( $page_columns != 'auto' ) { 1900 $page_columns = (int) $page_columns; 1901 } 1902 1903 $page = isset( $_POST['page'] ) ? $_POST['page'] : ''; 1904 1905 if ( $page != sanitize_key( $page ) ) { 1906 wp_die( 0 ); 1907 } 1908 1909 $user = wp_get_current_user(); 1910 if ( ! $user ) { 1911 wp_die( -1 ); 1912 } 1913 1914 if ( $order ) { 1915 update_user_option( $user->ID, "meta-box-order_$page", $order, true ); 1916 } 1917 1918 if ( $page_columns ) { 1919 update_user_option( $user->ID, "screen_layout_$page", $page_columns, true ); 1920 } 1921 1922 wp_die( 1 ); 1923 } 1924 1925 /** 1926 * Ajax handler for menu quick searching. 1927 * 1928 * @since 3.1.0 1929 */ 1930 function wp_ajax_menu_quick_search() { 1931 if ( ! current_user_can( 'edit_theme_options' ) ) { 1932 wp_die( -1 ); 1933 } 1934 1935 require_once ABSPATH . 'wp-admin/includes/nav-menu.php'; 1936 1937 _wp_ajax_menu_quick_search( $_POST ); 1938 1939 wp_die(); 1940 } 1941 1942 /** 1943 * Ajax handler to retrieve a permalink. 1944 * 1945 * @since 3.1.0 1946 */ 1947 function wp_ajax_get_permalink() { 1948 check_ajax_referer( 'getpermalink', 'getpermalinknonce' ); 1949 $post_id = isset( $_POST['post_id'] ) ? intval( $_POST['post_id'] ) : 0; 1950 wp_die( get_preview_post_link( $post_id ) ); 1951 } 1952 1953 /** 1954 * Ajax handler to retrieve a sample permalink. 1955 * 1956 * @since 3.1.0 1957 */ 1958 function wp_ajax_sample_permalink() { 1959 check_ajax_referer( 'samplepermalink', 'samplepermalinknonce' ); 1960 $post_id = isset( $_POST['post_id'] ) ? intval( $_POST['post_id'] ) : 0; 1961 $title = isset( $_POST['new_title'] ) ? $_POST['new_title'] : ''; 1962 $slug = isset( $_POST['new_slug'] ) ? $_POST['new_slug'] : null; 1963 wp_die( get_sample_permalink_html( $post_id, $title, $slug ) ); 1964 } 1965 1966 /** 1967 * Ajax handler for Quick Edit saving a post from a list table. 1968 * 1969 * @since 3.1.0 1970 * 1971 * @global string $mode List table view mode. 1972 */ 1973 function wp_ajax_inline_save() { 1974 global $mode; 1975 1976 check_ajax_referer( 'inlineeditnonce', '_inline_edit' ); 1977 1978 if ( ! isset( $_POST['post_ID'] ) || ! (int) $_POST['post_ID'] ) { 1979 wp_die(); 1980 } 1981 1982 $post_ID = (int) $_POST['post_ID']; 1983 1984 if ( 'page' == $_POST['post_type'] ) { 1985 if ( ! current_user_can( 'edit_page', $post_ID ) ) { 1986 wp_die( __( 'Sorry, you are not allowed to edit this page.' ) ); 1987 } 1988 } else { 1989 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 1990 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1991 } 1992 } 1993 1994 $last = wp_check_post_lock( $post_ID ); 1995 if ( $last ) { 1996 $last_user = get_userdata( $last ); 1997 $last_user_name = $last_user ? $last_user->display_name : __( 'Someone' ); 1998 1999 /* translators: %s: User's display name. */ 2000 $msg_template = __( 'Saving is disabled: %s is currently editing this post.' ); 2001 2002 if ( $_POST['post_type'] == 'page' ) { 2003 /* translators: %s: User's display name. */ 2004 $msg_template = __( 'Saving is disabled: %s is currently editing this page.' ); 2005 } 2006 2007 printf( $msg_template, esc_html( $last_user_name ) ); 2008 wp_die(); 2009 } 2010 2011 $data = &$_POST; 2012 2013 $post = get_post( $post_ID, ARRAY_A ); 2014 2015 // Since it's coming from the database. 2016 $post = wp_slash( $post ); 2017 2018 $data['content'] = $post['post_content']; 2019 $data['excerpt'] = $post['post_excerpt']; 2020 2021 // Rename. 2022 $data['user_ID'] = get_current_user_id(); 2023 2024 if ( isset( $data['post_parent'] ) ) { 2025 $data['parent_id'] = $data['post_parent']; 2026 } 2027 2028 // Status. 2029 if ( isset( $data['keep_private'] ) && 'private' == $data['keep_private'] ) { 2030 $data['visibility'] = 'private'; 2031 $data['post_status'] = 'private'; 2032 } else { 2033 $data['post_status'] = $data['_status']; 2034 } 2035 2036 if ( empty( $data['comment_status'] ) ) { 2037 $data['comment_status'] = 'closed'; 2038 } 2039 2040 if ( empty( $data['ping_status'] ) ) { 2041 $data['ping_status'] = 'closed'; 2042 } 2043 2044 // Exclude terms from taxonomies that are not supposed to appear in Quick Edit. 2045 if ( ! empty( $data['tax_input'] ) ) { 2046 foreach ( $data['tax_input'] as $taxonomy => $terms ) { 2047 $tax_object = get_taxonomy( $taxonomy ); 2048 /** This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */ 2049 if ( ! apply_filters( 'quick_edit_show_taxonomy', $tax_object->show_in_quick_edit, $taxonomy, $post['post_type'] ) ) { 2050 unset( $data['tax_input'][ $taxonomy ] ); 2051 } 2052 } 2053 } 2054 2055 // Hack: wp_unique_post_slug() doesn't work for drafts, so we will fake that our post is published. 2056 if ( ! empty( $data['post_name'] ) && in_array( $post['post_status'], array( 'draft', 'pending' ) ) ) { 2057 $post['post_status'] = 'publish'; 2058 $data['post_name'] = wp_unique_post_slug( $data['post_name'], $post['ID'], $post['post_status'], $post['post_type'], $post['post_parent'] ); 2059 } 2060 2061 // Update the post. 2062 edit_post(); 2063 2064 $wp_list_table = _get_list_table( 'WP_Posts_List_Table', array( 'screen' => $_POST['screen'] ) ); 2065 2066 $mode = $_POST['post_view'] === 'excerpt' ? 'excerpt' : 'list'; 2067 2068 $level = 0; 2069 if ( is_post_type_hierarchical( $wp_list_table->screen->post_type ) ) { 2070 $request_post = array( get_post( $_POST['post_ID'] ) ); 2071 $parent = $request_post[0]->post_parent; 2072 2073 while ( $parent > 0 ) { 2074 $parent_post = get_post( $parent ); 2075 $parent = $parent_post->post_parent; 2076 $level++; 2077 } 2078 } 2079 2080 $wp_list_table->display_rows( array( get_post( $_POST['post_ID'] ) ), $level ); 2081 2082 wp_die(); 2083 } 2084 2085 /** 2086 * Ajax handler for quick edit saving for a term. 2087 * 2088 * @since 3.1.0 2089 */ 2090 function wp_ajax_inline_save_tax() { 2091 check_ajax_referer( 'taxinlineeditnonce', '_inline_edit' ); 2092 2093 $taxonomy = sanitize_key( $_POST['taxonomy'] ); 2094 $tax = get_taxonomy( $taxonomy ); 2095 2096 if ( ! $tax ) { 2097 wp_die( 0 ); 2098 } 2099 2100 if ( ! isset( $_POST['tax_ID'] ) || ! (int) $_POST['tax_ID'] ) { 2101 wp_die( -1 ); 2102 } 2103 2104 $id = (int) $_POST['tax_ID']; 2105 2106 if ( ! current_user_can( 'edit_term', $id ) ) { 2107 wp_die( -1 ); 2108 } 2109 2110 $wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => 'edit-' . $taxonomy ) ); 2111 2112 $tag = get_term( $id, $taxonomy ); 2113 $_POST['description'] = $tag->description; 2114 2115 $updated = wp_update_term( $id, $taxonomy, $_POST ); 2116 2117 if ( $updated && ! is_wp_error( $updated ) ) { 2118 $tag = get_term( $updated['term_id'], $taxonomy ); 2119 if ( ! $tag || is_wp_error( $tag ) ) { 2120 if ( is_wp_error( $tag ) && $tag->get_error_message() ) { 2121 wp_die( $tag->get_error_message() ); 2122 } 2123 wp_die( __( 'Item not updated.' ) ); 2124 } 2125 } else { 2126 if ( is_wp_error( $updated ) && $updated->get_error_message() ) { 2127 wp_die( $updated->get_error_message() ); 2128 } 2129 wp_die( __( 'Item not updated.' ) ); 2130 } 2131 2132 $level = 0; 2133 $parent = $tag->parent; 2134 2135 while ( $parent > 0 ) { 2136 $parent_tag = get_term( $parent, $taxonomy ); 2137 $parent = $parent_tag->parent; 2138 $level++; 2139 } 2140 2141 $wp_list_table->single_row( $tag, $level ); 2142 wp_die(); 2143 } 2144 2145 /** 2146 * Ajax handler for querying posts for the Find Posts modal. 2147 * 2148 * @see window.findPosts 2149 * 2150 * @since 3.1.0 2151 */ 2152 function wp_ajax_find_posts() { 2153 check_ajax_referer( 'find-posts' ); 2154 2155 $post_types = get_post_types( array( 'public' => true ), 'objects' ); 2156 unset( $post_types['attachment'] ); 2157 2158 $s = wp_unslash( $_POST['ps'] ); 2159 $args = array( 2160 'post_type' => array_keys( $post_types ), 2161 'post_status' => 'any', 2162 'posts_per_page' => 50, 2163 ); 2164 2165 if ( '' !== $s ) { 2166 $args['s'] = $s; 2167 } 2168 2169 $posts = get_posts( $args ); 2170 2171 if ( ! $posts ) { 2172 wp_send_json_error( __( 'No items found.' ) ); 2173 } 2174 2175 $html = '<table class="widefat"><thead><tr><th class="found-radio"><br /></th><th>' . __( 'Title' ) . '</th><th class="no-break">' . __( 'Type' ) . '</th><th class="no-break">' . __( 'Date' ) . '</th><th class="no-break">' . __( 'Status' ) . '</th></tr></thead><tbody>'; 2176 $alt = ''; 2177 foreach ( $posts as $post ) { 2178 $title = trim( $post->post_title ) ? $post->post_title : __( '(no title)' ); 2179 $alt = ( 'alternate' == $alt ) ? '' : 'alternate'; 2180 2181 switch ( $post->post_status ) { 2182 case 'publish': 2183 case 'private': 2184 $stat = __( 'Published' ); 2185 break; 2186 case 'future': 2187 $stat = __( 'Scheduled' ); 2188 break; 2189 case 'pending': 2190 $stat = __( 'Pending Review' ); 2191 break; 2192 case 'draft': 2193 $stat = __( 'Draft' ); 2194 break; 2195 } 2196 2197 if ( '0000-00-00 00:00:00' == $post->post_date ) { 2198 $time = ''; 2199 } else { 2200 /* translators: Date format in table columns, see https://secure.php.net/date */ 2201 $time = mysql2date( __( 'Y/m/d' ), $post->post_date ); 2202 } 2203 2204 $html .= '<tr class="' . trim( 'found-posts ' . $alt ) . '"><td class="found-radio"><input type="radio" id="found-' . $post->ID . '" name="found_post_id" value="' . esc_attr( $post->ID ) . '"></td>'; 2205 $html .= '<td><label for="found-' . $post->ID . '">' . esc_html( $title ) . '</label></td><td class="no-break">' . esc_html( $post_types[ $post->post_type ]->labels->singular_name ) . '</td><td class="no-break">' . esc_html( $time ) . '</td><td class="no-break">' . esc_html( $stat ) . ' </td></tr>' . "\n\n"; 2206 } 2207 2208 $html .= '</tbody></table>'; 2209 2210 wp_send_json_success( $html ); 2211 } 2212 2213 /** 2214 * Ajax handler for saving the widgets order. 2215 * 2216 * @since 3.1.0 2217 */ 2218 function wp_ajax_widgets_order() { 2219 check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' ); 2220 2221 if ( ! current_user_can( 'edit_theme_options' ) ) { 2222 wp_die( -1 ); 2223 } 2224 2225 unset( $_POST['savewidgets'], $_POST['action'] ); 2226 2227 // Save widgets order for all sidebars. 2228 if ( is_array( $_POST['sidebars'] ) ) { 2229 $sidebars = array(); 2230 2231 foreach ( wp_unslash( $_POST['sidebars'] ) as $key => $val ) { 2232 $sb = array(); 2233 2234 if ( ! empty( $val ) ) { 2235 $val = explode( ',', $val ); 2236 2237 foreach ( $val as $k => $v ) { 2238 if ( strpos( $v, 'widget-' ) === false ) { 2239 continue; 2240 } 2241 2242 $sb[ $k ] = substr( $v, strpos( $v, '_' ) + 1 ); 2243 } 2244 } 2245 $sidebars[ $key ] = $sb; 2246 } 2247 2248 wp_set_sidebars_widgets( $sidebars ); 2249 wp_die( 1 ); 2250 } 2251 2252 wp_die( -1 ); 2253 } 2254 2255 /** 2256 * Ajax handler for saving a widget. 2257 * 2258 * @since 3.1.0 2259 * 2260 * @global array $wp_registered_widgets 2261 * @global array $wp_registered_widget_controls 2262 * @global array $wp_registered_widget_updates 2263 */ 2264 function wp_ajax_save_widget() { 2265 global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates; 2266 2267 check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' ); 2268 2269 if ( ! current_user_can( 'edit_theme_options' ) || ! isset( $_POST['id_base'] ) ) { 2270 wp_die( -1 ); 2271 } 2272 2273 unset( $_POST['savewidgets'], $_POST['action'] ); 2274 2275 /** 2276 * Fires early when editing the widgets displayed in sidebars. 2277 * 2278 * @since 2.8.0 2279 */ 2280 do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores 2281 2282 /** 2283 * Fires early when editing the widgets displayed in sidebars. 2284 * 2285 * @since 2.8.0 2286 */ 2287 do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores 2288 2289 /** This action is documented in wp-admin/widgets.php */ 2290 do_action( 'sidebar_admin_setup' ); 2291 2292 $id_base = wp_unslash( $_POST['id_base'] ); 2293 $widget_id = wp_unslash( $_POST['widget-id'] ); 2294 $sidebar_id = $_POST['sidebar']; 2295 $multi_number = ! empty( $_POST['multi_number'] ) ? (int) $_POST['multi_number'] : 0; 2296 $settings = isset( $_POST[ 'widget-' . $id_base ] ) && is_array( $_POST[ 'widget-' . $id_base ] ) ? $_POST[ 'widget-' . $id_base ] : false; 2297 $error = '<p>' . __( 'An error has occurred. Please reload the page and try again.' ) . '</p>'; 2298 2299 $sidebars = wp_get_sidebars_widgets(); 2300 $sidebar = isset( $sidebars[ $sidebar_id ] ) ? $sidebars[ $sidebar_id ] : array(); 2301 2302 // Delete. 2303 if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) { 2304 2305 if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) { 2306 wp_die( $error ); 2307 } 2308 2309 $sidebar = array_diff( $sidebar, array( $widget_id ) ); 2310 $_POST = array( 2311 'sidebar' => $sidebar_id, 2312 'widget-' . $id_base => array(), 2313 'the-widget-id' => $widget_id, 2314 'delete_widget' => '1', 2315 ); 2316 2317 /** This action is documented in wp-admin/widgets.php */ 2318 do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base ); 2319 2320 } elseif ( $settings && preg_match( '/__i__|%i%/', key( $settings ) ) ) { 2321 if ( ! $multi_number ) { 2322 wp_die( $error ); 2323 } 2324 2325 $_POST[ 'widget-' . $id_base ] = array( $multi_number => reset( $settings ) ); 2326 $widget_id = $id_base . '-' . $multi_number; 2327 $sidebar[] = $widget_id; 2328 } 2329 $_POST['widget-id'] = $sidebar; 2330 2331 foreach ( (array) $wp_registered_widget_updates as $name => $control ) { 2332 2333 if ( $name == $id_base ) { 2334 if ( ! is_callable( $control['callback'] ) ) { 2335 continue; 2336 } 2337 2338 ob_start(); 2339 call_user_func_array( $control['callback'], $control['params'] ); 2340 ob_end_clean(); 2341 break; 2342 } 2343 } 2344 2345 if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) { 2346 $sidebars[ $sidebar_id ] = $sidebar; 2347 wp_set_sidebars_widgets( $sidebars ); 2348 echo "deleted:$widget_id"; 2349 wp_die(); 2350 } 2351 2352 if ( ! empty( $_POST['add_new'] ) ) { 2353 wp_die(); 2354 } 2355 2356 $form = $wp_registered_widget_controls[ $widget_id ]; 2357 if ( $form ) { 2358 call_user_func_array( $form['callback'], $form['params'] ); 2359 } 2360 2361 wp_die(); 2362 } 2363 2364 /** 2365 * Ajax handler for saving a widget. 2366 * 2367 * @since 3.9.0 2368 * 2369 * @global WP_Customize_Manager $wp_customize 2370 */ 2371 function wp_ajax_update_widget() { 2372 global $wp_customize; 2373 $wp_customize->widgets->wp_ajax_update_widget(); 2374 } 2375 2376 /** 2377 * Ajax handler for removing inactive widgets. 2378 * 2379 * @since 4.4.0 2380 */ 2381 function wp_ajax_delete_inactive_widgets() { 2382 check_ajax_referer( 'remove-inactive-widgets', 'removeinactivewidgets' ); 2383 2384 if ( ! current_user_can( 'edit_theme_options' ) ) { 2385 wp_die( -1 ); 2386 } 2387 2388 unset( $_POST['removeinactivewidgets'], $_POST['action'] ); 2389 /** This action is documented in wp-admin/includes/ajax-actions.php */ 2390 do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores 2391 /** This action is documented in wp-admin/includes/ajax-actions.php */ 2392 do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores 2393 /** This action is documented in wp-admin/widgets.php */ 2394 do_action( 'sidebar_admin_setup' ); 2395 2396 $sidebars_widgets = wp_get_sidebars_widgets(); 2397 2398 foreach ( $sidebars_widgets['wp_inactive_widgets'] as $key => $widget_id ) { 2399 $pieces = explode( '-', $widget_id ); 2400 $multi_number = array_pop( $pieces ); 2401 $id_base = implode( '-', $pieces ); 2402 $widget = get_option( 'widget_' . $id_base ); 2403 unset( $widget[ $multi_number ] ); 2404 update_option( 'widget_' . $id_base, $widget ); 2405 unset( $sidebars_widgets['wp_inactive_widgets'][ $key ] ); 2406 } 2407 2408 wp_set_sidebars_widgets( $sidebars_widgets ); 2409 2410 wp_die(); 2411 } 2412 2413 /** 2414 * Ajax handler for creating missing image sub-sizes for just uploaded images. 2415 * 2416 * @since 5.3.0 2417 */ 2418 function wp_ajax_media_create_image_subsizes() { 2419 check_ajax_referer( 'media-form' ); 2420 2421 if ( ! current_user_can( 'upload_files' ) ) { 2422 wp_send_json_error( array( 'message' => __( 'Sorry, you are not allowed to upload files.' ) ) ); 2423 } 2424 2425 // Using Plupload `file.id` as ref. 2426 if ( ! empty( $_POST['_wp_temp_image_ref'] ) ) { 2427 $image_ref = preg_replace( '/[^a-zA-Z0-9_]/', '', $_POST['_wp_temp_image_ref'] ); 2428 } else { 2429 wp_send_json_error( array( 'message' => __( 'Invalid file reference.' ) ) ); 2430 } 2431 2432 // Uploading of images usually fails while creating the sub-sizes, either because of a timeout or out of memory. 2433 // At this point the file has been uploaded and an attachment post created, but because of the PHP fatal error 2434 // the cliend doesn't know the attachment ID yet. 2435 // To be able to find the new attachment_id in these cases we temporarily store an upload reference sent by the client 2436 // in the original upload request. It is used to save a transient with the attachment_id as value. 2437 // That reference currently is Plupload's `file.id` but can be any sufficiently random alpha-numeric string. 2438 $attachment_id = get_transient( '_wp_temp_image_ref:' . $image_ref ); 2439 2440 if ( empty( $attachment_id ) ) { 2441 wp_send_json_error( array( 'message' => __( 'Upload failed. Please reload and try again.' ) ) ); 2442 } 2443 2444 if ( ! empty( $_POST['_wp_upload_failed_cleanup'] ) ) { 2445 // Upload failed. Cleanup. 2446 if ( wp_attachment_is_image( $attachment_id ) ) { 2447 $attachment = get_post( $attachment_id ); 2448 2449 // Posted at most 10 min ago. 2450 if ( $attachment && ( time() - strtotime( $attachment->post_date_gmt ) < 600 ) ) { 2451 /** 2452 * Runs when an image upload fails during the post-processing phase, 2453 * and the newly created attachment post is about to be deleted. 2454 * 2455 * @since 5.3.0 2456 * 2457 * @param int $attachment_id The attachment post ID. 2458 */ 2459 do_action( 'wp_upload_failed_cleanup', $attachment_id ); 2460 2461 wp_delete_attachment( $attachment_id, true ); 2462 wp_send_json_success(); 2463 } 2464 } 2465 } 2466 2467 // This can still be pretty slow and cause timeout or out of memory errors. 2468 // The js that handles the response would need to also handle HTTP 500 errors. 2469 wp_update_image_subsizes( $attachment_id ); 2470 2471 if ( ! empty( $_POST['_legasy_support'] ) ) { 2472 // The old (inline) uploader. Only needs the attachment_id. 2473 $response = array( 'id' => $attachment_id ); 2474 } else { 2475 // Media modal and Media Library grid view. 2476 $response = wp_prepare_attachment_for_js( $attachment_id ); 2477 2478 if ( ! $response ) { 2479 wp_send_json_error( array( 'message' => __( 'Upload failed.' ) ) ); 2480 } 2481 } 2482 2483 // At this point the image has been uploaded successfully. 2484 delete_transient( '_wp_temp_image_ref:' . $image_ref ); 2485 2486 wp_send_json_success( $response ); 2487 } 2488 2489 /** 2490 * Ajax handler for uploading attachments 2491 * 2492 * @since 3.3.0 2493 */ 2494 function wp_ajax_upload_attachment() { 2495 check_ajax_referer( 'media-form' ); 2496 /* 2497 * This function does not use wp_send_json_success() / wp_send_json_error() 2498 * as the html4 Plupload handler requires a text/html content-type for older IE. 2499 * See https://core.trac.wordpress.org/ticket/31037 2500 */ 2501 2502 if ( ! current_user_can( 'upload_files' ) ) { 2503 echo wp_json_encode( 2504 array( 2505 'success' => false, 2506 'data' => array( 2507 'message' => __( 'Sorry, you are not allowed to upload files.' ), 2508 'filename' => esc_html( $_FILES['async-upload']['name'] ), 2509 ), 2510 ) 2511 ); 2512 2513 wp_die(); 2514 } 2515 2516 if ( isset( $_REQUEST['post_id'] ) ) { 2517 $post_id = $_REQUEST['post_id']; 2518 2519 if ( ! current_user_can( 'edit_post', $post_id ) ) { 2520 echo wp_json_encode( 2521 array( 2522 'success' => false, 2523 'data' => array( 2524 'message' => __( 'Sorry, you are not allowed to attach files to this post.' ), 2525 'filename' => esc_html( $_FILES['async-upload']['name'] ), 2526 ), 2527 ) 2528 ); 2529 2530 wp_die(); 2531 } 2532 } else { 2533 $post_id = null; 2534 } 2535 2536 $post_data = ! empty( $_REQUEST['post_data'] ) ? _wp_get_allowed_postdata( _wp_translate_postdata( false, (array) $_REQUEST['post_data'] ) ) : array(); 2537 2538 if ( is_wp_error( $post_data ) ) { 2539 wp_die( $post_data->get_error_message() ); 2540 } 2541 2542 // If the context is custom header or background, make sure the uploaded file is an image. 2543 if ( isset( $post_data['context'] ) && in_array( $post_data['context'], array( 'custom-header', 'custom-background' ) ) ) { 2544 $wp_filetype = wp_check_filetype_and_ext( $_FILES['async-upload']['tmp_name'], $_FILES['async-upload']['name'] ); 2545 2546 if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) { 2547 echo wp_json_encode( 2548 array( 2549 'success' => false, 2550 'data' => array( 2551 'message' => __( 'The uploaded file is not a valid image. Please try again.' ), 2552 'filename' => esc_html( $_FILES['async-upload']['name'] ), 2553 ), 2554 ) 2555 ); 2556 2557 wp_die(); 2558 } 2559 } 2560 2561 $attachment_id = media_handle_upload( 'async-upload', $post_id, $post_data ); 2562 2563 if ( is_wp_error( $attachment_id ) ) { 2564 echo wp_json_encode( 2565 array( 2566 'success' => false, 2567 'data' => array( 2568 'message' => $attachment_id->get_error_message(), 2569 'filename' => esc_html( $_FILES['async-upload']['name'] ), 2570 ), 2571 ) 2572 ); 2573 2574 wp_die(); 2575 } 2576 2577 if ( isset( $post_data['context'] ) && isset( $post_data['theme'] ) ) { 2578 if ( 'custom-background' === $post_data['context'] ) { 2579 update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', $post_data['theme'] ); 2580 } 2581 2582 if ( 'custom-header' === $post_data['context'] ) { 2583 update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', $post_data['theme'] ); 2584 } 2585 } 2586 2587 $attachment = wp_prepare_attachment_for_js( $attachment_id ); 2588 if ( ! $attachment ) { 2589 wp_die(); 2590 } 2591 2592 echo wp_json_encode( 2593 array( 2594 'success' => true, 2595 'data' => $attachment, 2596 ) 2597 ); 2598 2599 wp_die(); 2600 } 2601 2602 /** 2603 * Ajax handler for image editing. 2604 * 2605 * @since 3.1.0 2606 */ 2607 function wp_ajax_image_editor() { 2608 $attachment_id = intval( $_POST['postid'] ); 2609 2610 if ( empty( $attachment_id ) || ! current_user_can( 'edit_post', $attachment_id ) ) { 2611 wp_die( -1 ); 2612 } 2613 2614 check_ajax_referer( "image_editor-$attachment_id" ); 2615 include_once( ABSPATH . 'wp-admin/includes/image-edit.php' ); 2616 2617 $msg = false; 2618 switch ( $_POST['do'] ) { 2619 case 'save': 2620 $msg = wp_save_image( $attachment_id ); 2621 $msg = wp_json_encode( $msg ); 2622 wp_die( $msg ); 2623 break; 2624 case 'scale': 2625 $msg = wp_save_image( $attachment_id ); 2626 break; 2627 case 'restore': 2628 $msg = wp_restore_image( $attachment_id ); 2629 break; 2630 } 2631 2632 wp_image_editor( $attachment_id, $msg ); 2633 wp_die(); 2634 } 2635 2636 /** 2637 * Ajax handler for setting the featured image. 2638 * 2639 * @since 3.1.0 2640 */ 2641 function wp_ajax_set_post_thumbnail() { 2642 $json = ! empty( $_REQUEST['json'] ); // New-style request 2643 2644 $post_ID = intval( $_POST['post_id'] ); 2645 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 2646 wp_die( -1 ); 2647 } 2648 2649 $thumbnail_id = intval( $_POST['thumbnail_id'] ); 2650 2651 if ( $json ) { 2652 check_ajax_referer( "update-post_$post_ID" ); 2653 } else { 2654 check_ajax_referer( "set_post_thumbnail-$post_ID" ); 2655 } 2656 2657 if ( $thumbnail_id == '-1' ) { 2658 if ( delete_post_thumbnail( $post_ID ) ) { 2659 $return = _wp_post_thumbnail_html( null, $post_ID ); 2660 $json ? wp_send_json_success( $return ) : wp_die( $return ); 2661 } else { 2662 wp_die( 0 ); 2663 } 2664 } 2665 2666 if ( set_post_thumbnail( $post_ID, $thumbnail_id ) ) { 2667 $return = _wp_post_thumbnail_html( $thumbnail_id, $post_ID ); 2668 $json ? wp_send_json_success( $return ) : wp_die( $return ); 2669 } 2670 2671 wp_die( 0 ); 2672 } 2673 2674 /** 2675 * Ajax handler for retrieving HTML for the featured image. 2676 * 2677 * @since 4.6.0 2678 */ 2679 function wp_ajax_get_post_thumbnail_html() { 2680 $post_ID = intval( $_POST['post_id'] ); 2681 2682 check_ajax_referer( "update-post_$post_ID" ); 2683 2684 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 2685 wp_die( -1 ); 2686 } 2687 2688 $thumbnail_id = intval( $_POST['thumbnail_id'] ); 2689 2690 // For backward compatibility, -1 refers to no featured image. 2691 if ( -1 === $thumbnail_id ) { 2692 $thumbnail_id = null; 2693 } 2694 2695 $return = _wp_post_thumbnail_html( $thumbnail_id, $post_ID ); 2696 wp_send_json_success( $return ); 2697 } 2698 2699 /** 2700 * Ajax handler for setting the featured image for an attachment. 2701 * 2702 * @since 4.0.0 2703 * 2704 * @see set_post_thumbnail() 2705 */ 2706 function wp_ajax_set_attachment_thumbnail() { 2707 if ( empty( $_POST['urls'] ) || ! is_array( $_POST['urls'] ) ) { 2708 wp_send_json_error(); 2709 } 2710 2711 $thumbnail_id = (int) $_POST['thumbnail_id']; 2712 if ( empty( $thumbnail_id ) ) { 2713 wp_send_json_error(); 2714 } 2715 2716 $post_ids = array(); 2717 // For each URL, try to find its corresponding post ID. 2718 foreach ( $_POST['urls'] as $url ) { 2719 $post_id = attachment_url_to_postid( $url ); 2720 if ( ! empty( $post_id ) ) { 2721 $post_ids[] = $post_id; 2722 } 2723 } 2724 2725 if ( empty( $post_ids ) ) { 2726 wp_send_json_error(); 2727 } 2728 2729 $success = 0; 2730 // For each found attachment, set its thumbnail. 2731 foreach ( $post_ids as $post_id ) { 2732 if ( ! current_user_can( 'edit_post', $post_id ) ) { 2733 continue; 2734 } 2735 2736 if ( set_post_thumbnail( $post_id, $thumbnail_id ) ) { 2737 $success++; 2738 } 2739 } 2740 2741 if ( 0 === $success ) { 2742 wp_send_json_error(); 2743 } else { 2744 wp_send_json_success(); 2745 } 2746 2747 wp_send_json_error(); 2748 } 2749 2750 /** 2751 * Ajax handler for date formatting. 2752 * 2753 * @since 3.1.0 2754 */ 2755 function wp_ajax_date_format() { 2756 wp_die( date_i18n( sanitize_option( 'date_format', wp_unslash( $_POST['date'] ) ) ) ); 2757 } 2758 2759 /** 2760 * Ajax handler for time formatting. 2761 * 2762 * @since 3.1.0 2763 */ 2764 function wp_ajax_time_format() { 2765 wp_die( date_i18n( sanitize_option( 'time_format', wp_unslash( $_POST['date'] ) ) ) ); 2766 } 2767 2768 /** 2769 * Ajax handler for saving posts from the fullscreen editor. 2770 * 2771 * @since 3.1.0 2772 * @deprecated 4.3.0 2773 */ 2774 function wp_ajax_wp_fullscreen_save_post() { 2775 $post_id = isset( $_POST['post_ID'] ) ? (int) $_POST['post_ID'] : 0; 2776 2777 $post = null; 2778 2779 if ( $post_id ) { 2780 $post = get_post( $post_id ); 2781 } 2782 2783 check_ajax_referer( 'update-post_' . $post_id, '_wpnonce' ); 2784 2785 $post_id = edit_post(); 2786 2787 if ( is_wp_error( $post_id ) ) { 2788 wp_send_json_error(); 2789 } 2790 2791 if ( $post ) { 2792 $last_date = mysql2date( __( 'F j, Y' ), $post->post_modified ); 2793 $last_time = mysql2date( __( 'g:i a' ), $post->post_modified ); 2794 } else { 2795 $last_date = date_i18n( __( 'F j, Y' ) ); 2796 $last_time = date_i18n( __( 'g:i a' ) ); 2797 } 2798 2799 $last_id = get_post_meta( $post_id, '_edit_last', true ); 2800 if ( $last_id ) { 2801 $last_user = get_userdata( $last_id ); 2802 /* translators: 1: User's display name, 2: Date of last edit, 3: Time of last edit. */ 2803 $last_edited = sprintf( __( 'Last edited by %1$s on %2$s at %3$s' ), esc_html( $last_user->display_name ), $last_date, $last_time ); 2804 } else { 2805 /* translators: 1: Date of last edit, 2: Time of last edit. */ 2806 $last_edited = sprintf( __( 'Last edited on %1$s at %2$s' ), $last_date, $last_time ); 2807 } 2808 2809 wp_send_json_success( array( 'last_edited' => $last_edited ) ); 2810 } 2811 2812 /** 2813 * Ajax handler for removing a post lock. 2814 * 2815 * @since 3.1.0 2816 */ 2817 function wp_ajax_wp_remove_post_lock() { 2818 if ( empty( $_POST['post_ID'] ) || empty( $_POST['active_post_lock'] ) ) { 2819 wp_die( 0 ); 2820 } 2821 2822 $post_id = (int) $_POST['post_ID']; 2823 $post = get_post( $post_id ); 2824 2825 if ( ! $post ) { 2826 wp_die( 0 ); 2827 } 2828 2829 check_ajax_referer( 'update-post_' . $post_id ); 2830 2831 if ( ! current_user_can( 'edit_post', $post_id ) ) { 2832 wp_die( -1 ); 2833 } 2834 2835 $active_lock = array_map( 'absint', explode( ':', $_POST['active_post_lock'] ) ); 2836 2837 if ( $active_lock[1] != get_current_user_id() ) { 2838 wp_die( 0 ); 2839 } 2840 2841 /** 2842 * Filters the post lock window duration. 2843 * 2844 * @since 3.3.0 2845 * 2846 * @param int $interval The interval in seconds the post lock duration 2847 * should last, plus 5 seconds. Default 150. 2848 */ 2849 $new_lock = ( time() - apply_filters( 'wp_check_post_lock_window', 150 ) + 5 ) . ':' . $active_lock[1]; 2850 update_post_meta( $post_id, '_edit_lock', $new_lock, implode( ':', $active_lock ) ); 2851 wp_die( 1 ); 2852 } 2853 2854 /** 2855 * Ajax handler for dismissing a WordPress pointer. 2856 * 2857 * @since 3.1.0 2858 */ 2859 function wp_ajax_dismiss_wp_pointer() { 2860 $pointer = $_POST['pointer']; 2861 2862 if ( $pointer != sanitize_key( $pointer ) ) { 2863 wp_die( 0 ); 2864 } 2865 2866 // check_ajax_referer( 'dismiss-pointer_' . $pointer ); 2867 2868 $dismissed = array_filter( explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ) ); 2869 2870 if ( in_array( $pointer, $dismissed ) ) { 2871 wp_die( 0 ); 2872 } 2873 2874 $dismissed[] = $pointer; 2875 $dismissed = implode( ',', $dismissed ); 2876 2877 update_user_meta( get_current_user_id(), 'dismissed_wp_pointers', $dismissed ); 2878 wp_die( 1 ); 2879 } 2880 2881 /** 2882 * Ajax handler for getting an attachment. 2883 * 2884 * @since 3.5.0 2885 */ 2886 function wp_ajax_get_attachment() { 2887 if ( ! isset( $_REQUEST['id'] ) ) { 2888 wp_send_json_error(); 2889 } 2890 2891 $id = absint( $_REQUEST['id'] ); 2892 if ( ! $id ) { 2893 wp_send_json_error(); 2894 } 2895 2896 $post = get_post( $id ); 2897 if ( ! $post ) { 2898 wp_send_json_error(); 2899 } 2900 2901 if ( 'attachment' != $post->post_type ) { 2902 wp_send_json_error(); 2903 } 2904 2905 if ( ! current_user_can( 'upload_files' ) ) { 2906 wp_send_json_error(); 2907 } 2908 2909 $attachment = wp_prepare_attachment_for_js( $id ); 2910 if ( ! $attachment ) { 2911 wp_send_json_error(); 2912 } 2913 2914 wp_send_json_success( $attachment ); 2915 } 2916 2917 /** 2918 * Ajax handler for querying attachments. 2919 * 2920 * @since 3.5.0 2921 */ 2922 function wp_ajax_query_attachments() { 2923 if ( ! current_user_can( 'upload_files' ) ) { 2924 wp_send_json_error(); 2925 } 2926 2927 $query = isset( $_REQUEST['query'] ) ? (array) $_REQUEST['query'] : array(); 2928 $keys = array( 2929 's', 2930 'order', 2931 'orderby', 2932 'posts_per_page', 2933 'paged', 2934 'post_mime_type', 2935 'post_parent', 2936 'author', 2937 'post__in', 2938 'post__not_in', 2939 'year', 2940 'monthnum', 2941 ); 2942 2943 foreach ( get_taxonomies_for_attachments( 'objects' ) as $t ) { 2944 if ( $t->query_var && isset( $query[ $t->query_var ] ) ) { 2945 $keys[] = $t->query_var; 2946 } 2947 } 2948 2949 $query = array_intersect_key( $query, array_flip( $keys ) ); 2950 $query['post_type'] = 'attachment'; 2951 2952 if ( 2953 MEDIA_TRASH && 2954 ! empty( $_REQUEST['query']['post_status'] ) && 2955 'trash' === $_REQUEST['query']['post_status'] 2956 ) { 2957 $query['post_status'] = 'trash'; 2958 } else { 2959 $query['post_status'] = 'inherit'; 2960 } 2961 2962 if ( current_user_can( get_post_type_object( 'attachment' )->cap->read_private_posts ) ) { 2963 $query['post_status'] .= ',private'; 2964 } 2965 2966 // Filter query clauses to include filenames. 2967 if ( isset( $query['s'] ) ) { 2968 add_filter( 'posts_clauses', '_filter_query_attachment_filenames' ); 2969 } 2970 2971 /** 2972 * Filters the arguments passed to WP_Query during an Ajax 2973 * call for querying attachments. 2974 * 2975 * @since 3.7.0 2976 * 2977 * @see WP_Query::parse_query() 2978 * 2979 * @param array $query An array of query variables. 2980 */ 2981 $query = apply_filters( 'ajax_query_attachments_args', $query ); 2982 $query = new WP_Query( $query ); 2983 2984 $posts = array_map( 'wp_prepare_attachment_for_js', $query->posts ); 2985 $posts = array_filter( $posts ); 2986 2987 wp_send_json_success( $posts ); 2988 } 2989 2990 /** 2991 * Ajax handler for updating attachment attributes. 2992 * 2993 * @since 3.5.0 2994 */ 2995 function wp_ajax_save_attachment() { 2996 if ( ! isset( $_REQUEST['id'] ) || ! isset( $_REQUEST['changes'] ) ) { 2997 wp_send_json_error(); 2998 } 2999 3000 $id = absint( $_REQUEST['id'] ); 3001 if ( ! $id ) { 3002 wp_send_json_error(); 3003 } 3004 3005 check_ajax_referer( 'update-post_' . $id, 'nonce' ); 3006 3007 if ( ! current_user_can( 'edit_post', $id ) ) { 3008 wp_send_json_error(); 3009 } 3010 3011 $changes = $_REQUEST['changes']; 3012 $post = get_post( $id, ARRAY_A ); 3013 3014 if ( 'attachment' != $post['post_type'] ) { 3015 wp_send_json_error(); 3016 } 3017 3018 if ( isset( $changes['parent'] ) ) { 3019 $post['post_parent'] = $changes['parent']; 3020 } 3021 3022 if ( isset( $changes['title'] ) ) { 3023 $post['post_title'] = $changes['title']; 3024 } 3025 3026 if ( isset( $changes['caption'] ) ) { 3027 $post['post_excerpt'] = $changes['caption']; 3028 } 3029 3030 if ( isset( $changes['description'] ) ) { 3031 $post['post_content'] = $changes['description']; 3032 } 3033 3034 if ( MEDIA_TRASH && isset( $changes['status'] ) ) { 3035 $post['post_status'] = $changes['status']; 3036 } 3037 3038 if ( isset( $changes['alt'] ) ) { 3039 $alt = wp_unslash( $changes['alt'] ); 3040 if ( $alt != get_post_meta( $id, '_wp_attachment_image_alt', true ) ) { 3041 $alt = wp_strip_all_tags( $alt, true ); 3042 update_post_meta( $id, '_wp_attachment_image_alt', wp_slash( $alt ) ); 3043 } 3044 } 3045 3046 if ( wp_attachment_is( 'audio', $post['ID'] ) ) { 3047 $changed = false; 3048 $id3data = wp_get_attachment_metadata( $post['ID'] ); 3049 3050 if ( ! is_array( $id3data ) ) { 3051 $changed = true; 3052 $id3data = array(); 3053 } 3054 3055 foreach ( wp_get_attachment_id3_keys( (object) $post, 'edit' ) as $key => $label ) { 3056 if ( isset( $changes[ $key ] ) ) { 3057 $changed = true; 3058 $id3data[ $key ] = sanitize_text_field( wp_unslash( $changes[ $key ] ) ); 3059 } 3060 } 3061 3062 if ( $changed ) { 3063 wp_update_attachment_metadata( $id, $id3data ); 3064 } 3065 } 3066 3067 if ( MEDIA_TRASH && isset( $changes['status'] ) && 'trash' === $changes['status'] ) { 3068 wp_delete_post( $id ); 3069 } else { 3070 wp_update_post( $post ); 3071 } 3072 3073 wp_send_json_success(); 3074 } 3075 3076 /** 3077 * Ajax handler for saving backward compatible attachment attributes. 3078 * 3079 * @since 3.5.0 3080 */ 3081 function wp_ajax_save_attachment_compat() { 3082 if ( ! isset( $_REQUEST['id'] ) ) { 3083 wp_send_json_error(); 3084 } 3085 3086 $id = absint( $_REQUEST['id'] ); 3087 if ( ! $id ) { 3088 wp_send_json_error(); 3089 } 3090 3091 if ( empty( $_REQUEST['attachments'] ) || empty( $_REQUEST['attachments'][ $id ] ) ) { 3092 wp_send_json_error(); 3093 } 3094 3095 $attachment_data = $_REQUEST['attachments'][ $id ]; 3096 3097 check_ajax_referer( 'update-post_' . $id, 'nonce' ); 3098 3099 if ( ! current_user_can( 'edit_post', $id ) ) { 3100 wp_send_json_error(); 3101 } 3102 3103 $post = get_post( $id, ARRAY_A ); 3104 3105 if ( 'attachment' != $post['post_type'] ) { 3106 wp_send_json_error(); 3107 } 3108 3109 /** This filter is documented in wp-admin/includes/media.php */ 3110 $post = apply_filters( 'attachment_fields_to_save', $post, $attachment_data ); 3111 3112 if ( isset( $post['errors'] ) ) { 3113 $errors = $post['errors']; // @todo return me and display me! 3114 unset( $post['errors'] ); 3115 } 3116 3117 wp_update_post( $post ); 3118 3119 foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) { 3120 if ( isset( $attachment_data[ $taxonomy ] ) ) { 3121 wp_set_object_terms( $id, array_map( 'trim', preg_split( '/,+/', $attachment_data[ $taxonomy ] ) ), $taxonomy, false ); 3122 } 3123 } 3124 3125 $attachment = wp_prepare_attachment_for_js( $id ); 3126 3127 if ( ! $attachment ) { 3128 wp_send_json_error(); 3129 } 3130 3131 wp_send_json_success( $attachment ); 3132 } 3133 3134 /** 3135 * Ajax handler for saving the attachment order. 3136 * 3137 * @since 3.5.0 3138 */ 3139 function wp_ajax_save_attachment_order() { 3140 if ( ! isset( $_REQUEST['post_id'] ) ) { 3141 wp_send_json_error(); 3142 } 3143 3144 $post_id = absint( $_REQUEST['post_id'] ); 3145 if ( ! $post_id ) { 3146 wp_send_json_error(); 3147 } 3148 3149 if ( empty( $_REQUEST['attachments'] ) ) { 3150 wp_send_json_error(); 3151 } 3152 3153 check_ajax_referer( 'update-post_' . $post_id, 'nonce' ); 3154 3155 $attachments = $_REQUEST['attachments']; 3156 3157 if ( ! current_user_can( 'edit_post', $post_id ) ) { 3158 wp_send_json_error(); 3159 } 3160 3161 foreach ( $attachments as $attachment_id => $menu_order ) { 3162 if ( ! current_user_can( 'edit_post', $attachment_id ) ) { 3163 continue; 3164 } 3165 3166 $attachment = get_post( $attachment_id ); 3167 3168 if ( ! $attachment ) { 3169 continue; 3170 } 3171 3172 if ( 'attachment' != $attachment->post_type ) { 3173 continue; 3174 } 3175 3176 wp_update_post( 3177 array( 3178 'ID' => $attachment_id, 3179 'menu_order' => $menu_order, 3180 ) 3181 ); 3182 } 3183 3184 wp_send_json_success(); 3185 } 3186 3187 /** 3188 * Ajax handler for sending an attachment to the editor. 3189 * 3190 * Generates the HTML to send an attachment to the editor. 3191 * Backward compatible with the {@see 'media_send_to_editor'} filter 3192 * and the chain of filters that follow. 3193 * 3194 * @since 3.5.0 3195 */ 3196 function wp_ajax_send_attachment_to_editor() { 3197 check_ajax_referer( 'media-send-to-editor', 'nonce' ); 3198 3199 $attachment = wp_unslash( $_POST['attachment'] ); 3200 3201 $id = intval( $attachment['id'] ); 3202 3203 $post = get_post( $id ); 3204 if ( ! $post ) { 3205 wp_send_json_error(); 3206 } 3207 3208 if ( 'attachment' != $post->post_type ) { 3209 wp_send_json_error(); 3210 } 3211 3212 if ( current_user_can( 'edit_post', $id ) ) { 3213 // If this attachment is unattached, attach it. Primarily a back compat thing. 3214 $insert_into_post_id = intval( $_POST['post_id'] ); 3215 3216 if ( 0 == $post->post_parent && $insert_into_post_id ) { 3217 wp_update_post( 3218 array( 3219 'ID' => $id, 3220 'post_parent' => $insert_into_post_id, 3221 ) 3222 ); 3223 } 3224 } 3225 3226 $url = empty( $attachment['url'] ) ? '' : $attachment['url']; 3227 $rel = ( strpos( $url, 'attachment_id' ) || get_attachment_link( $id ) == $url ); 3228 3229 remove_filter( 'media_send_to_editor', 'image_media_send_to_editor' ); 3230 3231 if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) { 3232 $align = isset( $attachment['align'] ) ? $attachment['align'] : 'none'; 3233 $size = isset( $attachment['image-size'] ) ? $attachment['image-size'] : 'medium'; 3234 $alt = isset( $attachment['image_alt'] ) ? $attachment['image_alt'] : ''; 3235 3236 // No whitespace-only captions. 3237 $caption = isset( $attachment['post_excerpt'] ) ? $attachment['post_excerpt'] : ''; 3238 if ( '' === trim( $caption ) ) { 3239 $caption = ''; 3240 } 3241 3242 $title = ''; // We no longer insert title tags into <img> tags, as they are redundant. 3243 $html = get_image_send_to_editor( $id, $caption, $title, $align, $url, $rel, $size, $alt ); 3244 } elseif ( wp_attachment_is( 'video', $post ) || wp_attachment_is( 'audio', $post ) ) { 3245 $html = stripslashes_deep( $_POST['html'] ); 3246 } else { 3247 $html = isset( $attachment['post_title'] ) ? $attachment['post_title'] : ''; 3248 $rel = $rel ? ' rel="attachment wp-att-' . $id . '"' : ''; // Hard-coded string, $id is already sanitized 3249 3250 if ( ! empty( $url ) ) { 3251 $html = '<a href="' . esc_url( $url ) . '"' . $rel . '>' . $html . '</a>'; 3252 } 3253 } 3254 3255 /** This filter is documented in wp-admin/includes/media.php */ 3256 $html = apply_filters( 'media_send_to_editor', $html, $id, $attachment ); 3257 3258 wp_send_json_success( $html ); 3259 } 3260 3261 /** 3262 * Ajax handler for sending a link to the editor. 3263 * 3264 * Generates the HTML to send a non-image embed link to the editor. 3265 * 3266 * Backward compatible with the following filters: 3267 * - file_send_to_editor_url 3268 * - audio_send_to_editor_url 3269 * - video_send_to_editor_url 3270 * 3271 * @since 3.5.0 3272 * 3273 * @global WP_Post $post Global post object. 3274 * @global WP_Embed $wp_embed 3275 */ 3276 function wp_ajax_send_link_to_editor() { 3277 global $post, $wp_embed; 3278 3279 check_ajax_referer( 'media-send-to-editor', 'nonce' ); 3280 3281 $src = wp_unslash( $_POST['src'] ); 3282 if ( ! $src ) { 3283 wp_send_json_error(); 3284 } 3285 3286 if ( ! strpos( $src, '://' ) ) { 3287 $src = 'http://' . $src; 3288 } 3289 3290 $src = esc_url_raw( $src ); 3291 if ( ! $src ) { 3292 wp_send_json_error(); 3293 } 3294 3295 $link_text = trim( wp_unslash( $_POST['link_text'] ) ); 3296 if ( ! $link_text ) { 3297 $link_text = wp_basename( $src ); 3298 } 3299 3300 $post = get_post( isset( $_POST['post_id'] ) ? $_POST['post_id'] : 0 ); 3301 3302 // Ping WordPress for an embed. 3303 $check_embed = $wp_embed->run_shortcode( '[embed]' . $src . '[/embed]' ); 3304 3305 // Fallback that WordPress creates when no oEmbed was found. 3306 $fallback = $wp_embed->maybe_make_link( $src ); 3307 3308 if ( $check_embed !== $fallback ) { 3309 // TinyMCE view for [embed] will parse this 3310 $html = '[embed]' . $src . '[/embed]'; 3311 } elseif ( $link_text ) { 3312 $html = '<a href="' . esc_url( $src ) . '">' . $link_text . '</a>'; 3313 } else { 3314 $html = ''; 3315 } 3316 3317 // Figure out what filter to run: 3318 $type = 'file'; 3319 $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src ); 3320 if ( $ext ) { 3321 $ext_type = wp_ext2type( $ext ); 3322 if ( 'audio' == $ext_type || 'video' == $ext_type ) { 3323 $type = $ext_type; 3324 } 3325 } 3326 3327 /** This filter is documented in wp-admin/includes/media.php */ 3328 $html = apply_filters( "{$type}_send_to_editor_url", $html, $src, $link_text ); 3329 3330 wp_send_json_success( $html ); 3331 } 3332 3333 /** 3334 * Ajax handler for the Heartbeat API. 3335 * 3336 * Runs when the user is logged in. 3337 * 3338 * @since 3.6.0 3339 */ 3340 function wp_ajax_heartbeat() { 3341 if ( empty( $_POST['_nonce'] ) ) { 3342 wp_send_json_error(); 3343 } 3344 3345 $response = array(); 3346 $data = array(); 3347 $nonce_state = wp_verify_nonce( $_POST['_nonce'], 'heartbeat-nonce' ); 3348 3349 // screen_id is the same as $current_screen->id and the JS global 'pagenow'. 3350 if ( ! empty( $_POST['screen_id'] ) ) { 3351 $screen_id = sanitize_key( $_POST['screen_id'] ); 3352 } else { 3353 $screen_id = 'front'; 3354 } 3355 3356 if ( ! empty( $_POST['data'] ) ) { 3357 $data = wp_unslash( (array) $_POST['data'] ); 3358 } 3359 3360 if ( 1 !== $nonce_state ) { 3361 /** 3362 * Filters the nonces to send to the New/Edit Post screen. 3363 * 3364 * @since 4.3.0 3365 * 3366 * @param array $response The Heartbeat response. 3367 * @param array $data The $_POST data sent. 3368 * @param string $screen_id The screen id. 3369 */ 3370 $response = apply_filters( 'wp_refresh_nonces', $response, $data, $screen_id ); 3371 3372 if ( false === $nonce_state ) { 3373 // User is logged in but nonces have expired. 3374 $response['nonces_expired'] = true; 3375 wp_send_json( $response ); 3376 } 3377 } 3378 3379 if ( ! empty( $data ) ) { 3380 /** 3381 * Filters the Heartbeat response received. 3382 * 3383 * @since 3.6.0 3384 * 3385 * @param array $response The Heartbeat response. 3386 * @param array $data The $_POST data sent. 3387 * @param string $screen_id The screen id. 3388 */ 3389 $response = apply_filters( 'heartbeat_received', $response, $data, $screen_id ); 3390 } 3391 3392 /** 3393 * Filters the Heartbeat response sent. 3394 * 3395 * @since 3.6.0 3396 * 3397 * @param array $response The Heartbeat response. 3398 * @param string $screen_id The screen id. 3399 */ 3400 $response = apply_filters( 'heartbeat_send', $response, $screen_id ); 3401 3402 /** 3403 * Fires when Heartbeat ticks in logged-in environments. 3404 * 3405 * Allows the transport to be easily replaced with long-polling. 3406 * 3407 * @since 3.6.0 3408 * 3409 * @param array $response The Heartbeat response. 3410 * @param string $screen_id The screen id. 3411 */ 3412 do_action( 'heartbeat_tick', $response, $screen_id ); 3413 3414 // Send the current time according to the server 3415 $response['server_time'] = time(); 3416 3417 wp_send_json( $response ); 3418 } 3419 3420 /** 3421 * Ajax handler for getting revision diffs. 3422 * 3423 * @since 3.6.0 3424 */ 3425 function wp_ajax_get_revision_diffs() { 3426 require ABSPATH . 'wp-admin/includes/revision.php'; 3427 3428 $post = get_post( (int) $_REQUEST['post_id'] ); 3429 if ( ! $post ) { 3430 wp_send_json_error(); 3431 } 3432 3433 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 3434 wp_send_json_error(); 3435 } 3436 3437 // Really just pre-loading the cache here. 3438 $revisions = wp_get_post_revisions( $post->ID, array( 'check_enabled' => false ) ); 3439 if ( ! $revisions ) { 3440 wp_send_json_error(); 3441 } 3442 3443 $return = array(); 3444 set_time_limit( 0 ); 3445 3446 foreach ( $_REQUEST['compare'] as $compare_key ) { 3447 list( $compare_from, $compare_to ) = explode( ':', $compare_key ); // from:to 3448 3449 $return[] = array( 3450 'id' => $compare_key, 3451 'fields' => wp_get_revision_ui_diff( $post, $compare_from, $compare_to ), 3452 ); 3453 } 3454 wp_send_json_success( $return ); 3455 } 3456 3457 /** 3458 * Ajax handler for auto-saving the selected color scheme for 3459 * a user's own profile. 3460 * 3461 * @since 3.8.0 3462 * 3463 * @global array $_wp_admin_css_colors 3464 */ 3465 function wp_ajax_save_user_color_scheme() { 3466 global $_wp_admin_css_colors; 3467 3468 check_ajax_referer( 'save-color-scheme', 'nonce' ); 3469 3470 $color_scheme = sanitize_key( $_POST['color_scheme'] ); 3471 3472 if ( ! isset( $_wp_admin_css_colors[ $color_scheme ] ) ) { 3473 wp_send_json_error(); 3474 } 3475 3476 $previous_color_scheme = get_user_meta( get_current_user_id(), 'admin_color', true ); 3477 update_user_meta( get_current_user_id(), 'admin_color', $color_scheme ); 3478 3479 wp_send_json_success( 3480 array( 3481 'previousScheme' => 'admin-color-' . $previous_color_scheme, 3482 'currentScheme' => 'admin-color-' . $color_scheme, 3483 ) 3484 ); 3485 } 3486 3487 /** 3488 * Ajax handler for getting themes from themes_api(). 3489 * 3490 * @since 3.9.0 3491 * 3492 * @global array $themes_allowedtags 3493 * @global array $theme_field_defaults 3494 */ 3495 function wp_ajax_query_themes() { 3496 global $themes_allowedtags, $theme_field_defaults; 3497 3498 if ( ! current_user_can( 'install_themes' ) ) { 3499 wp_send_json_error(); 3500 } 3501 3502 $args = wp_parse_args( 3503 wp_unslash( $_REQUEST['request'] ), 3504 array( 3505 'per_page' => 20, 3506 'fields' => array_merge( 3507 (array) $theme_field_defaults, 3508 array( 3509 'reviews_url' => true, // Explicitly request the reviews URL to be linked from the Add Themes screen. 3510 ) 3511 ), 3512 ) 3513 ); 3514 3515 if ( isset( $args['browse'] ) && 'favorites' === $args['browse'] && ! isset( $args['user'] ) ) { 3516 $user = get_user_option( 'wporg_favorites' ); 3517 if ( $user ) { 3518 $args['user'] = $user; 3519 } 3520 } 3521 3522 $old_filter = isset( $args['browse'] ) ? $args['browse'] : 'search'; 3523 3524 /** This filter is documented in wp-admin/includes/class-wp-theme-install-list-table.php */ 3525 $args = apply_filters( 'install_themes_table_api_args_' . $old_filter, $args ); 3526 3527 $api = themes_api( 'query_themes', $args ); 3528 3529 if ( is_wp_error( $api ) ) { 3530 wp_send_json_error(); 3531 } 3532 3533 $update_php = network_admin_url( 'update.php?action=install-theme' ); 3534 3535 foreach ( $api->themes as &$theme ) { 3536 $theme->install_url = add_query_arg( 3537 array( 3538 'theme' => $theme->slug, 3539 '_wpnonce' => wp_create_nonce( 'install-theme_' . $theme->slug ), 3540 ), 3541 $update_php 3542 ); 3543 3544 if ( current_user_can( 'switch_themes' ) ) { 3545 if ( is_multisite() ) { 3546 $theme->activate_url = add_query_arg( 3547 array( 3548 'action' => 'enable', 3549 '_wpnonce' => wp_create_nonce( 'enable-theme_' . $theme->slug ), 3550 'theme' => $theme->slug, 3551 ), 3552 network_admin_url( 'themes.php' ) 3553 ); 3554 } else { 3555 $theme->activate_url = add_query_arg( 3556 array( 3557 'action' => 'activate', 3558 '_wpnonce' => wp_create_nonce( 'switch-theme_' . $theme->slug ), 3559 'stylesheet' => $theme->slug, 3560 ), 3561 admin_url( 'themes.php' ) 3562 ); 3563 } 3564 } 3565 3566 if ( ! is_multisite() && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) { 3567 $theme->customize_url = add_query_arg( 3568 array( 3569 'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ), 3570 ), 3571 wp_customize_url( $theme->slug ) 3572 ); 3573 } 3574 3575 $theme->name = wp_kses( $theme->name, $themes_allowedtags ); 3576 $theme->author = wp_kses( $theme->author['display_name'], $themes_allowedtags ); 3577 $theme->version = wp_kses( $theme->version, $themes_allowedtags ); 3578 $theme->description = wp_kses( $theme->description, $themes_allowedtags ); 3579 3580 $theme->stars = wp_star_rating( 3581 array( 3582 'rating' => $theme->rating, 3583 'type' => 'percent', 3584 'number' => $theme->num_ratings, 3585 'echo' => false, 3586 ) 3587 ); 3588 3589 $theme->num_ratings = number_format_i18n( $theme->num_ratings ); 3590 $theme->preview_url = set_url_scheme( $theme->preview_url ); 3591 } 3592 3593 wp_send_json_success( $api ); 3594 } 3595 3596 /** 3597 * Apply [embed] Ajax handlers to a string. 3598 * 3599 * @since 4.0.0 3600 * 3601 * @global WP_Post $post Global post object. 3602 * @global WP_Embed $wp_embed Embed API instance. 3603 * @global WP_Scripts $wp_scripts 3604 * @global int $content_width 3605 */ 3606 function wp_ajax_parse_embed() { 3607 global $post, $wp_embed, $content_width; 3608 3609 if ( empty( $_POST['shortcode'] ) ) { 3610 wp_send_json_error(); 3611 } 3612 3613 $post_id = isset( $_POST['post_ID'] ) ? intval( $_POST['post_ID'] ) : 0; 3614 3615 if ( $post_id > 0 ) { 3616 $post = get_post( $post_id ); 3617 3618 if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) { 3619 wp_send_json_error(); 3620 } 3621 setup_postdata( $post ); 3622 } elseif ( ! current_user_can( 'edit_posts' ) ) { // See WP_oEmbed_Controller::get_proxy_item_permissions_check(). 3623 wp_send_json_error(); 3624 } 3625 3626 $shortcode = wp_unslash( $_POST['shortcode'] ); 3627 3628 preg_match( '/' . get_shortcode_regex() . '/s', $shortcode, $matches ); 3629 $atts = shortcode_parse_atts( $matches[3] ); 3630 3631 if ( ! empty( $matches[5] ) ) { 3632 $url = $matches[5]; 3633 } elseif ( ! empty( $atts['src'] ) ) { 3634 $url = $atts['src']; 3635 } else { 3636 $url = ''; 3637 } 3638 3639 $parsed = false; 3640 $wp_embed->return_false_on_fail = true; 3641 3642 if ( 0 === $post_id ) { 3643 /* 3644 * Refresh oEmbeds cached outside of posts that are past their TTL. 3645 * Posts are excluded because they have separate logic for refreshing 3646 * their post meta caches. See WP_Embed::cache_oembed(). 3647 */ 3648 $wp_embed->usecache = false; 3649 } 3650 3651 if ( is_ssl() && 0 === strpos( $url, 'http://' ) ) { 3652 // Admin is ssl and the user pasted non-ssl URL. 3653 // Check if the provider supports ssl embeds and use that for the preview. 3654 $ssl_shortcode = preg_replace( '%^(\\[embed[^\\]]*\\])http://%i', '$1https://', $shortcode ); 3655 $parsed = $wp_embed->run_shortcode( $ssl_shortcode ); 3656 3657 if ( ! $parsed ) { 3658 $no_ssl_support = true; 3659 } 3660 } 3661 3662 // Set $content_width so any embeds fit in the destination iframe. 3663 if ( isset( $_POST['maxwidth'] ) && is_numeric( $_POST['maxwidth'] ) && $_POST['maxwidth'] > 0 ) { 3664 if ( ! isset( $content_width ) ) { 3665 $content_width = intval( $_POST['maxwidth'] ); 3666 } else { 3667 $content_width = min( $content_width, intval( $_POST['maxwidth'] ) ); 3668 } 3669 } 3670 3671 if ( $url && ! $parsed ) { 3672 $parsed = $wp_embed->run_shortcode( $shortcode ); 3673 } 3674 3675 if ( ! $parsed ) { 3676 wp_send_json_error( 3677 array( 3678 'type' => 'not-embeddable', 3679 /* translators: %s: URL that could not be embedded. */ 3680 'message' => sprintf( __( '%s failed to embed.' ), '<code>' . esc_html( $url ) . '</code>' ), 3681 ) 3682 ); 3683 } 3684 3685 if ( has_shortcode( $parsed, 'audio' ) || has_shortcode( $parsed, 'video' ) ) { 3686 $styles = ''; 3687 $mce_styles = wpview_media_sandbox_styles(); 3688 3689 foreach ( $mce_styles as $style ) { 3690 $styles .= sprintf( '<link rel="stylesheet" href="%s"/>', $style ); 3691 } 3692 3693 $html = do_shortcode( $parsed ); 3694 3695 global $wp_scripts; 3696 3697 if ( ! empty( $wp_scripts ) ) { 3698 $wp_scripts->done = array(); 3699 } 3700 3701 ob_start(); 3702 wp_print_scripts( array( 'mediaelement-vimeo', 'wp-mediaelement' ) ); 3703 $scripts = ob_get_clean(); 3704 3705 $parsed = $styles . $html . $scripts; 3706 } 3707 3708 if ( ! empty( $no_ssl_support ) || ( is_ssl() && ( preg_match( '%<(iframe|script|embed) [^>]*src="http://%', $parsed ) || 3709 preg_match( '%<link [^>]*href="http://%', $parsed ) ) ) ) { 3710 // Admin is ssl and the embed is not. Iframes, scripts, and other "active content" will be blocked. 3711 wp_send_json_error( 3712 array( 3713 'type' => 'not-ssl', 3714 'message' => __( 'This preview is unavailable in the editor.' ), 3715 ) 3716 ); 3717 } 3718 3719 $return = array( 3720 'body' => $parsed, 3721 'attr' => $wp_embed->last_attr, 3722 ); 3723 3724 if ( strpos( $parsed, 'class="wp-embedded-content' ) ) { 3725 if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) { 3726 $script_src = includes_url( 'js/wp-embed.js' ); 3727 } else { 3728 $script_src = includes_url( 'js/wp-embed.min.js' ); 3729 } 3730 3731 $return['head'] = '<script src="' . $script_src . '"></script>'; 3732 $return['sandbox'] = true; 3733 } 3734 3735 wp_send_json_success( $return ); 3736 } 3737 3738 /** 3739 * @since 4.0.0 3740 * 3741 * @global WP_Post $post Global post object. 3742 * @global WP_Scripts $wp_scripts 3743 */ 3744 function wp_ajax_parse_media_shortcode() { 3745 global $post, $wp_scripts; 3746 3747 if ( empty( $_POST['shortcode'] ) ) { 3748 wp_send_json_error(); 3749 } 3750 3751 $shortcode = wp_unslash( $_POST['shortcode'] ); 3752 3753 if ( ! empty( $_POST['post_ID'] ) ) { 3754 $post = get_post( (int) $_POST['post_ID'] ); 3755 } 3756 3757 // the embed shortcode requires a post 3758 if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) { 3759 if ( 'embed' === $shortcode ) { 3760 wp_send_json_error(); 3761 } 3762 } else { 3763 setup_postdata( $post ); 3764 } 3765 3766 $parsed = do_shortcode( $shortcode ); 3767 3768 if ( empty( $parsed ) ) { 3769 wp_send_json_error( 3770 array( 3771 'type' => 'no-items', 3772 'message' => __( 'No items found.' ), 3773 ) 3774 ); 3775 } 3776 3777 $head = ''; 3778 $styles = wpview_media_sandbox_styles(); 3779 3780 foreach ( $styles as $style ) { 3781 $head .= '<link type="text/css" rel="stylesheet" href="' . $style . '">'; 3782 } 3783 3784 if ( ! empty( $wp_scripts ) ) { 3785 $wp_scripts->done = array(); 3786 } 3787 3788 ob_start(); 3789 3790 echo $parsed; 3791 3792 if ( 'playlist' === $_REQUEST['type'] ) { 3793 wp_underscore_playlist_templates(); 3794 3795 wp_print_scripts( 'wp-playlist' ); 3796 } else { 3797 wp_print_scripts( array( 'mediaelement-vimeo', 'wp-mediaelement' ) ); 3798 } 3799 3800 wp_send_json_success( 3801 array( 3802 'head' => $head, 3803 'body' => ob_get_clean(), 3804 ) 3805 ); 3806 } 3807 3808 /** 3809 * Ajax handler for destroying multiple open sessions for a user. 3810 * 3811 * @since 4.1.0 3812 */ 3813 function wp_ajax_destroy_sessions() { 3814 $user = get_userdata( (int) $_POST['user_id'] ); 3815 3816 if ( $user ) { 3817 if ( ! current_user_can( 'edit_user', $user->ID ) ) { 3818 $user = false; 3819 } elseif ( ! wp_verify_nonce( $_POST['nonce'], 'update-user_' . $user->ID ) ) { 3820 $user = false; 3821 } 3822 } 3823 3824 if ( ! $user ) { 3825 wp_send_json_error( 3826 array( 3827 'message' => __( 'Could not log out user sessions. Please try again.' ), 3828 ) 3829 ); 3830 } 3831 3832 $sessions = WP_Session_Tokens::get_instance( $user->ID ); 3833 3834 if ( $user->ID === get_current_user_id() ) { 3835 $sessions->destroy_others( wp_get_session_token() ); 3836 $message = __( 'You are now logged out everywhere else.' ); 3837 } else { 3838 $sessions->destroy_all(); 3839 /* translators: %s: User's display name. */ 3840 $message = sprintf( __( '%s has been logged out.' ), $user->display_name ); 3841 } 3842 3843 wp_send_json_success( array( 'message' => $message ) ); 3844 } 3845 3846 /** 3847 * Ajax handler for cropping an image. 3848 * 3849 * @since 4.3.0 3850 */ 3851 function wp_ajax_crop_image() { 3852 $attachment_id = absint( $_POST['id'] ); 3853 3854 check_ajax_referer( 'image_editor-' . $attachment_id, 'nonce' ); 3855 3856 if ( empty( $attachment_id ) || ! current_user_can( 'edit_post', $attachment_id ) ) { 3857 wp_send_json_error(); 3858 } 3859 3860 $context = str_replace( '_', '-', $_POST['context'] ); 3861 $data = array_map( 'absint', $_POST['cropDetails'] ); 3862 $cropped = wp_crop_image( $attachment_id, $data['x1'], $data['y1'], $data['width'], $data['height'], $data['dst_width'], $data['dst_height'] ); 3863 3864 if ( ! $cropped || is_wp_error( $cropped ) ) { 3865 wp_send_json_error( array( 'message' => __( 'Image could not be processed.' ) ) ); 3866 } 3867 3868 switch ( $context ) { 3869 case 'site-icon': 3870 require_once ABSPATH . 'wp-admin/includes/class-wp-site-icon.php'; 3871 $wp_site_icon = new WP_Site_Icon(); 3872 3873 // Skip creating a new attachment if the attachment is a Site Icon. 3874 if ( get_post_meta( $attachment_id, '_wp_attachment_context', true ) == $context ) { 3875 3876 // Delete the temporary cropped file, we don't need it. 3877 wp_delete_file( $cropped ); 3878 3879 // Additional sizes in wp_prepare_attachment_for_js(). 3880 add_filter( 'image_size_names_choose', array( $wp_site_icon, 'additional_sizes' ) ); 3881 break; 3882 } 3883 3884 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 3885 $cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication. 3886 $object = $wp_site_icon->create_attachment_object( $cropped, $attachment_id ); 3887 unset( $object['ID'] ); 3888 3889 // Update the attachment. 3890 add_filter( 'intermediate_image_sizes_advanced', array( $wp_site_icon, 'additional_sizes' ) ); 3891 $attachment_id = $wp_site_icon->insert_attachment( $object, $cropped ); 3892 remove_filter( 'intermediate_image_sizes_advanced', array( $wp_site_icon, 'additional_sizes' ) ); 3893 3894 // Additional sizes in wp_prepare_attachment_for_js(). 3895 add_filter( 'image_size_names_choose', array( $wp_site_icon, 'additional_sizes' ) ); 3896 break; 3897 3898 default: 3899 /** 3900 * Fires before a cropped image is saved. 3901 * 3902 * Allows to add filters to modify the way a cropped image is saved. 3903 * 3904 * @since 4.3.0 3905 * 3906 * @param string $context The Customizer control requesting the cropped image. 3907 * @param int $attachment_id The attachment ID of the original image. 3908 * @param string $cropped Path to the cropped image file. 3909 */ 3910 do_action( 'wp_ajax_crop_image_pre_save', $context, $attachment_id, $cropped ); 3911 3912 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 3913 $cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication. 3914 3915 $parent_url = wp_get_attachment_url( $attachment_id ); 3916 $url = str_replace( wp_basename( $parent_url ), wp_basename( $cropped ), $parent_url ); 3917 3918 $size = @getimagesize( $cropped ); 3919 $image_type = ( $size ) ? $size['mime'] : 'image/jpeg'; 3920 3921 $object = array( 3922 'post_title' => wp_basename( $cropped ), 3923 'post_content' => $url, 3924 'post_mime_type' => $image_type, 3925 'guid' => $url, 3926 'context' => $context, 3927 ); 3928 3929 $attachment_id = wp_insert_attachment( $object, $cropped ); 3930 $metadata = wp_generate_attachment_metadata( $attachment_id, $cropped ); 3931 3932 /** 3933 * Filters the cropped image attachment metadata. 3934 * 3935 * @since 4.3.0 3936 * 3937 * @see wp_generate_attachment_metadata() 3938 * 3939 * @param array $metadata Attachment metadata. 3940 */ 3941 $metadata = apply_filters( 'wp_ajax_cropped_attachment_metadata', $metadata ); 3942 wp_update_attachment_metadata( $attachment_id, $metadata ); 3943 3944 /** 3945 * Filters the attachment ID for a cropped image. 3946 * 3947 * @since 4.3.0 3948 * 3949 * @param int $attachment_id The attachment ID of the cropped image. 3950 * @param string $context The Customizer control requesting the cropped image. 3951 */ 3952 $attachment_id = apply_filters( 'wp_ajax_cropped_attachment_id', $attachment_id, $context ); 3953 } 3954 3955 wp_send_json_success( wp_prepare_attachment_for_js( $attachment_id ) ); 3956 } 3957 3958 /** 3959 * Ajax handler for generating a password. 3960 * 3961 * @since 4.4.0 3962 */ 3963 function wp_ajax_generate_password() { 3964 wp_send_json_success( wp_generate_password( 24 ) ); 3965 } 3966 3967 /** 3968 * Ajax handler for saving the user's WordPress.org username. 3969 * 3970 * @since 4.4.0 3971 */ 3972 function wp_ajax_save_wporg_username() { 3973 if ( ! current_user_can( 'install_themes' ) && ! current_user_can( 'install_plugins' ) ) { 3974 wp_send_json_error(); 3975 } 3976 3977 check_ajax_referer( 'save_wporg_username_' . get_current_user_id() ); 3978 3979 $username = isset( $_REQUEST['username'] ) ? wp_unslash( $_REQUEST['username'] ) : false; 3980 3981 if ( ! $username ) { 3982 wp_send_json_error(); 3983 } 3984 3985 wp_send_json_success( update_user_meta( get_current_user_id(), 'wporg_favorites', $username ) ); 3986 } 3987 3988 /** 3989 * Ajax handler for installing a theme. 3990 * 3991 * @since 4.6.0 3992 * 3993 * @see Theme_Upgrader 3994 * 3995 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 3996 */ 3997 function wp_ajax_install_theme() { 3998 check_ajax_referer( 'updates' ); 3999 4000 if ( empty( $_POST['slug'] ) ) { 4001 wp_send_json_error( 4002 array( 4003 'slug' => '', 4004 'errorCode' => 'no_theme_specified', 4005 'errorMessage' => __( 'No theme specified.' ), 4006 ) 4007 ); 4008 } 4009 4010 $slug = sanitize_key( wp_unslash( $_POST['slug'] ) ); 4011 4012 $status = array( 4013 'install' => 'theme', 4014 'slug' => $slug, 4015 ); 4016 4017 if ( ! current_user_can( 'install_themes' ) ) { 4018 $status['errorMessage'] = __( 'Sorry, you are not allowed to install themes on this site.' ); 4019 wp_send_json_error( $status ); 4020 } 4021 4022 include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); 4023 include_once( ABSPATH . 'wp-admin/includes/theme.php' ); 4024 4025 $api = themes_api( 4026 'theme_information', 4027 array( 4028 'slug' => $slug, 4029 'fields' => array( 'sections' => false ), 4030 ) 4031 ); 4032 4033 if ( is_wp_error( $api ) ) { 4034 $status['errorMessage'] = $api->get_error_message(); 4035 wp_send_json_error( $status ); 4036 } 4037 4038 $skin = new WP_Ajax_Upgrader_Skin(); 4039 $upgrader = new Theme_Upgrader( $skin ); 4040 $result = $upgrader->install( $api->download_link ); 4041 4042 if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) { 4043 $status['debug'] = $skin->get_upgrade_messages(); 4044 } 4045 4046 if ( is_wp_error( $result ) ) { 4047 $status['errorCode'] = $result->get_error_code(); 4048 $status['errorMessage'] = $result->get_error_message(); 4049 wp_send_json_error( $status ); 4050 } elseif ( is_wp_error( $skin->result ) ) { 4051 $status['errorCode'] = $skin->result->get_error_code(); 4052 $status['errorMessage'] = $skin->result->get_error_message(); 4053 wp_send_json_error( $status ); 4054 } elseif ( $skin->get_errors()->has_errors() ) { 4055 $status['errorMessage'] = $skin->get_error_messages(); 4056 wp_send_json_error( $status ); 4057 } elseif ( is_null( $result ) ) { 4058 global $wp_filesystem; 4059 4060 $status['errorCode'] = 'unable_to_connect_to_filesystem'; 4061 $status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' ); 4062 4063 // Pass through the error from WP_Filesystem if one was raised. 4064 if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) { 4065 $status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() ); 4066 } 4067 4068 wp_send_json_error( $status ); 4069 } 4070 4071 $status['themeName'] = wp_get_theme( $slug )->get( 'Name' ); 4072 4073 if ( current_user_can( 'switch_themes' ) ) { 4074 if ( is_multisite() ) { 4075 $status['activateUrl'] = add_query_arg( 4076 array( 4077 'action' => 'enable', 4078 '_wpnonce' => wp_create_nonce( 'enable-theme_' . $slug ), 4079 'theme' => $slug, 4080 ), 4081 network_admin_url( 'themes.php' ) 4082 ); 4083 } else { 4084 $status['activateUrl'] = add_query_arg( 4085 array( 4086 'action' => 'activate', 4087 '_wpnonce' => wp_create_nonce( 'switch-theme_' . $slug ), 4088 'stylesheet' => $slug, 4089 ), 4090 admin_url( 'themes.php' ) 4091 ); 4092 } 4093 } 4094 4095 if ( ! is_multisite() && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) { 4096 $status['customizeUrl'] = add_query_arg( 4097 array( 4098 'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ), 4099 ), 4100 wp_customize_url( $slug ) 4101 ); 4102 } 4103 4104 /* 4105 * See WP_Theme_Install_List_Table::_get_theme_status() if we wanted to check 4106 * on post-installation status. 4107 */ 4108 wp_send_json_success( $status ); 4109 } 4110 4111 /** 4112 * Ajax handler for updating a theme. 4113 * 4114 * @since 4.6.0 4115 * 4116 * @see Theme_Upgrader 4117 * 4118 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 4119 */ 4120 function wp_ajax_update_theme() { 4121 check_ajax_referer( 'updates' ); 4122 4123 if ( empty( $_POST['slug'] ) ) { 4124 wp_send_json_error( 4125 array( 4126 'slug' => '', 4127 'errorCode' => 'no_theme_specified', 4128 'errorMessage' => __( 'No theme specified.' ), 4129 ) 4130 ); 4131 } 4132 4133 $stylesheet = preg_replace( '/[^A-z0-9_\-]/', '', wp_unslash( $_POST['slug'] ) ); 4134 $status = array( 4135 'update' => 'theme', 4136 'slug' => $stylesheet, 4137 'oldVersion' => '', 4138 'newVersion' => '', 4139 ); 4140 4141 if ( ! current_user_can( 'update_themes' ) ) { 4142 $status['errorMessage'] = __( 'Sorry, you are not allowed to update themes for this site.' ); 4143 wp_send_json_error( $status ); 4144 } 4145 4146 $theme = wp_get_theme( $stylesheet ); 4147 if ( $theme->exists() ) { 4148 $status['oldVersion'] = $theme->get( 'Version' ); 4149 } 4150 4151 include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); 4152 4153 $current = get_site_transient( 'update_themes' ); 4154 if ( empty( $current ) ) { 4155 wp_update_themes(); 4156 } 4157 4158 $skin = new WP_Ajax_Upgrader_Skin(); 4159 $upgrader = new Theme_Upgrader( $skin ); 4160 $result = $upgrader->bulk_upgrade( array( $stylesheet ) ); 4161 4162 if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) { 4163 $status['debug'] = $skin->get_upgrade_messages(); 4164 } 4165 4166 if ( is_wp_error( $skin->result ) ) { 4167 $status['errorCode'] = $skin->result->get_error_code(); 4168 $status['errorMessage'] = $skin->result->get_error_message(); 4169 wp_send_json_error( $status ); 4170 } elseif ( $skin->get_errors()->has_errors() ) { 4171 $status['errorMessage'] = $skin->get_error_messages(); 4172 wp_send_json_error( $status ); 4173 } elseif ( is_array( $result ) && ! empty( $result[ $stylesheet ] ) ) { 4174 4175 // Theme is already at the latest version. 4176 if ( true === $result[ $stylesheet ] ) { 4177 $status['errorMessage'] = $upgrader->strings['up_to_date']; 4178 wp_send_json_error( $status ); 4179 } 4180 4181 $theme = wp_get_theme( $stylesheet ); 4182 if ( $theme->exists() ) { 4183 $status['newVersion'] = $theme->get( 'Version' ); 4184 } 4185 4186 wp_send_json_success( $status ); 4187 } elseif ( false === $result ) { 4188 global $wp_filesystem; 4189 4190 $status['errorCode'] = 'unable_to_connect_to_filesystem'; 4191 $status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' ); 4192 4193 // Pass through the error from WP_Filesystem if one was raised. 4194 if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) { 4195 $status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() ); 4196 } 4197 4198 wp_send_json_error( $status ); 4199 } 4200 4201 // An unhandled error occurred. 4202 $status['errorMessage'] = __( 'Update failed.' ); 4203 wp_send_json_error( $status ); 4204 } 4205 4206 /** 4207 * Ajax handler for deleting a theme. 4208 * 4209 * @since 4.6.0 4210 * 4211 * @see delete_theme() 4212 * 4213 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 4214 */ 4215 function wp_ajax_delete_theme() { 4216 check_ajax_referer( 'updates' ); 4217 4218 if ( empty( $_POST['slug'] ) ) { 4219 wp_send_json_error( 4220 array( 4221 'slug' => '', 4222 'errorCode' => 'no_theme_specified', 4223 'errorMessage' => __( 'No theme specified.' ), 4224 ) 4225 ); 4226 } 4227 4228 $stylesheet = preg_replace( '/[^A-z0-9_\-]/', '', wp_unslash( $_POST['slug'] ) ); 4229 $status = array( 4230 'delete' => 'theme', 4231 'slug' => $stylesheet, 4232 ); 4233 4234 if ( ! current_user_can( 'delete_themes' ) ) { 4235 $status['errorMessage'] = __( 'Sorry, you are not allowed to delete themes on this site.' ); 4236 wp_send_json_error( $status ); 4237 } 4238 4239 if ( ! wp_get_theme( $stylesheet )->exists() ) { 4240 $status['errorMessage'] = __( 'The requested theme does not exist.' ); 4241 wp_send_json_error( $status ); 4242 } 4243 4244 // Check filesystem credentials. `delete_theme()` will bail otherwise. 4245 $url = wp_nonce_url( 'themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet ); 4246 4247 ob_start(); 4248 $credentials = request_filesystem_credentials( $url ); 4249 ob_end_clean(); 4250 4251 if ( false === $credentials || ! WP_Filesystem( $credentials ) ) { 4252 global $wp_filesystem; 4253 4254 $status['errorCode'] = 'unable_to_connect_to_filesystem'; 4255 $status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' ); 4256 4257 // Pass through the error from WP_Filesystem if one was raised. 4258 if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) { 4259 $status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() ); 4260 } 4261 4262 wp_send_json_error( $status ); 4263 } 4264 4265 include_once( ABSPATH . 'wp-admin/includes/theme.php' ); 4266 4267 $result = delete_theme( $stylesheet ); 4268 4269 if ( is_wp_error( $result ) ) { 4270 $status['errorMessage'] = $result->get_error_message(); 4271 wp_send_json_error( $status ); 4272 } elseif ( false === $result ) { 4273 $status['errorMessage'] = __( 'Theme could not be deleted.' ); 4274 wp_send_json_error( $status ); 4275 } 4276 4277 wp_send_json_success( $status ); 4278 } 4279 4280 /** 4281 * Ajax handler for installing a plugin. 4282 * 4283 * @since 4.6.0 4284 * 4285 * @see Plugin_Upgrader 4286 * 4287 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 4288 */ 4289 function wp_ajax_install_plugin() { 4290 check_ajax_referer( 'updates' ); 4291 4292 if ( empty( $_POST['slug'] ) ) { 4293 wp_send_json_error( 4294 array( 4295 'slug' => '', 4296 'errorCode' => 'no_plugin_specified', 4297 'errorMessage' => __( 'No plugin specified.' ), 4298 ) 4299 ); 4300 } 4301 4302 $status = array( 4303 'install' => 'plugin', 4304 'slug' => sanitize_key( wp_unslash( $_POST['slug'] ) ), 4305 ); 4306 4307 if ( ! current_user_can( 'install_plugins' ) ) { 4308 $status['errorMessage'] = __( 'Sorry, you are not allowed to install plugins on this site.' ); 4309 wp_send_json_error( $status ); 4310 } 4311 4312 include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); 4313 include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' ); 4314 4315 $api = plugins_api( 4316 'plugin_information', 4317 array( 4318 'slug' => sanitize_key( wp_unslash( $_POST['slug'] ) ), 4319 'fields' => array( 4320 'sections' => false, 4321 ), 4322 ) 4323 ); 4324 4325 if ( is_wp_error( $api ) ) { 4326 $status['errorMessage'] = $api->get_error_message(); 4327 wp_send_json_error( $status ); 4328 } 4329 4330 $status['pluginName'] = $api->name; 4331 4332 $skin = new WP_Ajax_Upgrader_Skin(); 4333 $upgrader = new Plugin_Upgrader( $skin ); 4334 $result = $upgrader->install( $api->download_link ); 4335 4336 if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) { 4337 $status['debug'] = $skin->get_upgrade_messages(); 4338 } 4339 4340 if ( is_wp_error( $result ) ) { 4341 $status['errorCode'] = $result->get_error_code(); 4342 $status['errorMessage'] = $result->get_error_message(); 4343 wp_send_json_error( $status ); 4344 } elseif ( is_wp_error( $skin->result ) ) { 4345 $status['errorCode'] = $skin->result->get_error_code(); 4346 $status['errorMessage'] = $skin->result->get_error_message(); 4347 wp_send_json_error( $status ); 4348 } elseif ( $skin->get_errors()->has_errors() ) { 4349 $status['errorMessage'] = $skin->get_error_messages(); 4350 wp_send_json_error( $status ); 4351 } elseif ( is_null( $result ) ) { 4352 global $wp_filesystem; 4353 4354 $status['errorCode'] = 'unable_to_connect_to_filesystem'; 4355 $status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' ); 4356 4357 // Pass through the error from WP_Filesystem if one was raised. 4358 if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) { 4359 $status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() ); 4360 } 4361 4362 wp_send_json_error( $status ); 4363 } 4364 4365 $install_status = install_plugin_install_status( $api ); 4366 $pagenow = isset( $_POST['pagenow'] ) ? sanitize_key( $_POST['pagenow'] ) : ''; 4367 4368 // If installation request is coming from import page, do not return network activation link. 4369 $plugins_url = ( 'import' === $pagenow ) ? admin_url( 'plugins.php' ) : network_admin_url( 'plugins.php' ); 4370 4371 if ( current_user_can( 'activate_plugin', $install_status['file'] ) && is_plugin_inactive( $install_status['file'] ) ) { 4372 $status['activateUrl'] = add_query_arg( 4373 array( 4374 '_wpnonce' => wp_create_nonce( 'activate-plugin_' . $install_status['file'] ), 4375 'action' => 'activate', 4376 'plugin' => $install_status['file'], 4377 ), 4378 $plugins_url 4379 ); 4380 } 4381 4382 if ( is_multisite() && current_user_can( 'manage_network_plugins' ) && 'import' !== $pagenow ) { 4383 $status['activateUrl'] = add_query_arg( array( 'networkwide' => 1 ), $status['activateUrl'] ); 4384 } 4385 4386 wp_send_json_success( $status ); 4387 } 4388 4389 /** 4390 * Ajax handler for updating a plugin. 4391 * 4392 * @since 4.2.0 4393 * 4394 * @see Plugin_Upgrader 4395 * 4396 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 4397 */ 4398 function wp_ajax_update_plugin() { 4399 check_ajax_referer( 'updates' ); 4400 4401 if ( empty( $_POST['plugin'] ) || empty( $_POST['slug'] ) ) { 4402 wp_send_json_error( 4403 array( 4404 'slug' => '', 4405 'errorCode' => 'no_plugin_specified', 4406 'errorMessage' => __( 'No plugin specified.' ), 4407 ) 4408 ); 4409 } 4410 4411 $plugin = plugin_basename( sanitize_text_field( wp_unslash( $_POST['plugin'] ) ) ); 4412 4413 $status = array( 4414 'update' => 'plugin', 4415 'slug' => sanitize_key( wp_unslash( $_POST['slug'] ) ), 4416 'oldVersion' => '', 4417 'newVersion' => '', 4418 ); 4419 4420 if ( ! current_user_can( 'update_plugins' ) || 0 !== validate_file( $plugin ) ) { 4421 $status['errorMessage'] = __( 'Sorry, you are not allowed to update plugins for this site.' ); 4422 wp_send_json_error( $status ); 4423 } 4424 4425 $plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ); 4426 $status['plugin'] = $plugin; 4427 $status['pluginName'] = $plugin_data['Name']; 4428 4429 if ( $plugin_data['Version'] ) { 4430 /* translators: %s: Plugin version. */ 4431 $status['oldVersion'] = sprintf( __( 'Version %s' ), $plugin_data['Version'] ); 4432 } 4433 4434 include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); 4435 4436 wp_update_plugins(); 4437 4438 $skin = new WP_Ajax_Upgrader_Skin(); 4439 $upgrader = new Plugin_Upgrader( $skin ); 4440 $result = $upgrader->bulk_upgrade( array( $plugin ) ); 4441 4442 if (